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Watts Fluid Air
Precision and Electronic Proportional Regulators

Precision and Electronic Proportional Regulators

Product catalog summary

Overview: The document is a catalog from Parker Hannifin Corporation detailing air preparation units, specifically precision and electronic proportional regulators. It includes specifications, features, and ordering information for various models of dial regulators, precision regulators, and other related components.

Specifications: The catalog provides detailed specifications for each regulator model, including pressure ranges, flow capacities, and construction materials. For example, the 51R Dial Regulator features a pressure adjustment range of 2 to 160 PSIG, a maximum operating temperature of 150°F, and is constructed from zinc, brass, acetal, and nitrile materials.

Procedures: The document includes instructions for adjusting regulator pressure, emphasizing that pressure should be set by increasing to the desired setting. It warns against exceeding maximum pressure ratings and connecting regulators to bottled gas.

Safety and Warnings: The catalog contains multiple warnings about the potential for product rupture and injury if the regulators are improperly used or selected. Users are advised to thoroughly analyze their applications and ensure all safety requirements are met.

Ordering Information: Each regulator model is accompanied by ordering information, including port sizes, pressure ranges, and available configurations. Popular models are highlighted for ease of selection.

Key Features: The regulators feature balanced poppet designs, non-rising pressure-adjusting dials, and high-relief flow capacities. They are recommended for pilot-air applications and offer full pressure adjustment in less than one full turn.

Flow Characteristics: The catalog includes flow characteristic graphs for different models, illustrating the relationship between flow rate and secondary pressure at specified primary pressures.

Accessories and Kits: The document lists available kits and accessories for each regulator model, such as adjustment dial knobs, repair kits, and tamper-resistant kits.

Technical Information: The document includes technical specifications for the R216 and R210/R220 series precision regulators, detailing features such as high flow performance, accurate pressure regulation, and multi-stage regulation for maximum control and stability. The R210/R220 series is noted for its high precision and suitability for applications requiring precise air pressure regulation.

Applications: The R210 and R220 regulators are suitable for applications such as air gauging, gas mixing, calibration standards, and more, where precise regulation of air pressure is critical.

Materials and Construction: The regulators are constructed using materials such as zinc, plastic, Buna-N for diaphragms and seals, stainless steel for springs and valve poppets, and aluminum for the body and bonnet. The control knob is made of plastic.

R230 Series: This series is designed for high flow capacity and accurate process control. It features a balanced poppet valve and a rolling diaphragm to maintain constant output pressure. Key features include two full flow gauge ports, high flow capacity, and stable output. It is suitable for applications like test equipment, gas mixing, and laboratory equipment.

P3RA302 Series: This compact high precision regulator is suitable for applications requiring high capacity and accurate control. It features a convoluted diaphragm for stability and an aspirator tube to adjust air supply. It is designed for precision applications with a control sensitivity of 0.250" water column variation.

P3RA102 Series: This standard high precision regulator is designed for high capacity applications. It uses a rolling diaphragm for stability and an aspirator tube to adjust air supply. It is suitable for precision processes with a control sensitivity of 0.125" water column.

Warnings and Cautions: Users are warned against connecting regulators to bottled gas and exceeding maximum primary pressure ratings. The document advises setting regulated pressure by increasing it to the desired setting for optimal performance.

Technical Specifications: The document provides detailed specifications for each regulator series, including supply pressure, flow capacity, exhaust capacity, sensitivity, and operating temperature range. It also includes ordering information and available options for each series.

Operating Principles: The P3BA208 Input Signal Amplifier is a pneumatic device designed for high flow and exhaust capacity, utilizing a force balance system to control supply and exhaust valves. At the set point, the force from signal pressure on the Upper Diaphragm balances with the output pressure on the Lower Diaphragm.

Specifications: The document details the specifications for the P31P/P32P Series Electronic Proportional Regulators. These regulators operate with a control signal of 0-10 volts or 4-20 mA and are designed for applications requiring precise pressure control. They are suitable for use with compressed air or inert gases and have a protection rating of IP65.

Procedures: To set the desired pressure, use the designated buttons. Error messages such as excess load current, residual pressure, and applied pressure errors are addressed with specific solutions, including adjusting pressure settings and performing zero resets.

Norms and Standards: The regulators conform to EU standards, including CE and EMC directives. They are designed to meet EN 61000-6-1:2001, EN 61000-6-2:2001, and EN 61000-6-3:2001 standards.

Recommendations: For optimal performance, ensure the input pressure is within the specified range and that the unit is correctly programmed. The document advises on the use of specific mounting brackets and cables for installation.

Features and Benefits: The regulators offer fast response times, accurate output pressure, and multiple mounting options. They are user-friendly with a high visibility LED display and provide excellent linearity and full flow exhaust.

Applications: These regulators are ideal for automotive, packaging, and food industries, among others, where precise pressure control is critical. They are used in applications such as clamping, welding, and tension control.

Technical Information: The document provides detailed technical specifications, including operating pressure ranges, temperature ranges, and power consumption. It also includes information on the regulator's response times and safety features.

Troubleshooting Guide: This section provides guidance on addressing issues with the P31P/P32P Series Electronic Proportional Regulators. It includes steps for changing setpoint values and advises consulting the factory for unresolved problems.

Glossary: Key terms related to the operation of electronic proportional regulators are defined, including hysteresis, dead band, proportional band, proportional effect, sensitivity, repeatability, linearity, PNP output, and NPN output.

Safety Guide: This guide outlines the risks associated with the improper use of pneumatic division products and provides general instructions for safe installation, use, and maintenance. It emphasizes the importance of fail-safe design, adherence to international standards, and user responsibility in ensuring safety and compliance.

Product Selection Instructions: Guidelines for selecting pneumatic system components are provided, focusing on flow rate, pressure and temperature ratings, environmental considerations, and chemical compatibility. The section warns against exceeding product ratings and highlights the importance of understanding product limitations.

Product Assembly and Installation Instructions: Instructions for inspecting components before assembly, following installation guidelines, and ensuring moisture-free air supply are detailed to prevent system failures.

Valve and FRL Maintenance and Replacement Instructions: This section stresses the need for a maintenance program to extend product life and prevent failures. It includes procedures for visual inspections, routine maintenance, functional testing, and establishing service intervals based on performance and standards.

Offer of Sale: The terms and conditions for the sale of products are outlined, including price adjustments, payment terms, delivery dates, title and risk, and warranty information. The warranty covers defects in material or workmanship for a specified period or usage hours.

Warranty Disclaimer: The document outlines that the warranty provided is the sole warranty for the products, disclaiming all other express and implied warranties, including those related to design, merchantability, and fitness for a particular purpose.

Claims and Actions: Buyers must inspect products upon delivery and report shortages within 10 days. Other claims must be made in writing within 30 days of delivery. Actions based on breach must commence within 12 months of the breach.

Limitation of Liability: Seller may repair, replace, or refund defective products. Seller is not liable for special, indirect, incidental, or consequential damages, and liability is capped at the purchase price of the products.

User Responsibility: Users are responsible for selecting and ensuring the suitability of products for their applications, following industry standards and product information.

Loss to Buyer’s Property: Seller may destroy obsolete buyer property after two years without orders. Seller is not liable for loss or damage to such property.

Special Tooling: Tooling charges may apply, and tooling remains Seller’s property. Seller can alter or dispose of tooling at its discretion.

Buyer’s Obligation and Seller’s Rights: Seller retains a security interest in delivered goods to secure payment, with the right to execute necessary documents.

Improper Use and Indemnity: Buyer indemnifies Seller against claims arising from improper use or selection of products, or failure to comply with terms.

Cancellations and Changes: Orders cannot be canceled or changed without Seller’s consent. Seller may change product features with notice.

Limitation on Assignment: Buyer cannot assign rights or obligations without Seller’s consent.

Force Majeure: Seller is not liable for delays or failures due to uncontrollable events, such as accidents or government actions.

Waiver and Severability: Failure to enforce provisions does not waive them. Invalid provisions do not affect the validity of others.

Termination: Seller can terminate the agreement with 30 days' notice or immediately for specific breaches by Buyer.

Governing Law: The agreement is governed by Ohio law, with disputes resolved in Cuyahoga County, Ohio.

Intellectual Property Indemnity: Seller indemnifies Buyer against U.S. intellectual property infringement claims, with conditions.

Entire Agreement: This document constitutes the entire agreement, superseding prior agreements.

Compliance with Laws: Buyer must comply with applicable laws, including the U.K. Bribery Act and U.S. Foreign Corrupt Practices Act, indemnifying Seller against violations.

Catalog excerpts

Precision and Electronic Proportional Regulators-1

Click here to view bookmarks. Air Preparation Units Parker-Watts Precision and Electronic Proportional Regulators Catalog 0307 aerospace climate control electromechanical filtration fluid & gas handling hydraulics pneumatics process control sealing & shielding

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Precision and Electronic Proportional Regulators-2

Precision Regulators FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker Hannifin Corporation, its subsidiaries and authorized distributors provide product and/or system options for further investigation by users having technical expertise. It is important that you analyze all aspects of your application including consequences of any failure, and review the information concerning the product or system in the current product catalog. Due...

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Precision and Electronic Proportional Regulators-3

Precision Regulators Pneumatic Division Richland, Michigan www.parker.com/watts

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Precision and Electronic Proportional Regulators-4

Dial Regulators 1/4 Inch Ports 51R Dial Regulator – Relieving Features • Pressure Reference Indicating Dial Face • Non-rising, Pressure-adjustment Knob • Self-relieving • Full Pressure Adjustment in Less than One Full Turn • Recommended for Pilot-air Applications • Flow Capacity: 1/4" – 0.7 SCFM§ Port Size Standard Pressure 5 to 160 PSIG (0,34 to 11 bar) 51R126RA § SCFM = Standard cubic feet per minute at 100 PSIG inlet, 90 PSIG no flow secondary setting, and 25 PSIG pressure drop. Bold Items are Most Popular. For other models refer to ordering information below. Ordering Information Port Size...

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Precision and Electronic Proportional Regulators-5

51R Series Dial Regulators Technical Specifications – 51R Technical Information Secondary Pressure - PSIG 1/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 0.2 REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within their full range. Pressure adjustment beyond this range is also possible because the knob is not a limiting device. This is a common characteristic of most industrial regulators, and limiting devices may be obtained only by special design. For best performance, regulated pressure should always be set by increasing the pressure...

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Precision and Electronic Proportional Regulators-6

Dial Regulators 1/4, 3/8, 1/2 & 3/4 Inch Ports 52R Dial Regulator – Relieving Features • Balanced Poppet Design • Non-rising, Pressure-adjusting Dial • High-relief Flow (3/16" Relief Orifice) • Two 1/4" Gauge Ports • Piston Operated • Flow Capacity: 1/4" – 117 SCFM 3/8" – 180 SCFM§ 1/2" – 195 SCFM§ 3/4" – 220 SCFM§ Port Size High Flow 5 to 160 PSIG (0,34 to 11 bar) Bold Items are Most Popular. For other models refer to ordering information below. § SCFM = Standard cubic feet per minute at 100 PSIG inlet, (1/4, 1/2 & 3/4) 90 PSIG, (3/8) 80 PSIG no flow secondary setting, and 25 PSIG pressure...

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Precision and Electronic Proportional Regulators-7

52R Series Dial Regulators Technical Specifications – 52R Technical Information Flow Characteristics Flow Characteristics 1/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) Secondary Pressure - PSIG Secondary Pressure - PSIG 3/8 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 1/2 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 0 3/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 0 Secondary Pressure - PSIG Secondary Pressure - PSIG Flow Characteristics Flow - SCFM Flow - SCFM REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within their...

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Precision and Electronic Proportional Regulators-8

Dial Regulators 3/4, 1 & 1-1/4 Inch Ports 53R Dial Regulator – Relieving Features • Balanced Poppet Design • Non-rising, Pressure-adjusting Dial. • High-relief Flow (3/16" Relief Orifice) 0.22 Dia. (5.6mm) • Two 1/4" Gauge Ports • Piston Operated. • Flow Capacity: 3/4" – 400 SCFM§ 1" – 650 SCFM§ 1-1/4" – 700 SCFM§ Port Size High Flow 5 to 160 PSIG (0.34 to 11 bar) 53R426RA Bold Items are Most Popular. For other models refer to ordering information below. § SCFM = Standard cubic feet per minute at 100 PSIG inlet, 90 PSIG no flow secondary setting, and 10 PSIG pressure drop. Ordering Information...

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Precision and Electronic Proportional Regulators-9

53R Series Dial Regulators Technical Specifications – 53R Technical Information Flow Characteristics Flow Characteristics 3/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 80 Secondary Pressure - PSIG Secondary Pressure - PSIG 1 Inch Ports Primary Pressure 100 PSIG (6.9 bar) Flow - SCFM Air Flow Rate - dm n /s Flow Characteristics 53R626RA Secondary Pressure - PSIG 1-1/4 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 80 REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within their full range. Pressure adjustment beyond this range is...

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Precision and Electronic Proportional Regulators-10

Dial Regulators 1-1/2 & 2 Inch Ports 54R Dial Regulator – Relieving Features • Balanced Poppet Design • Non-rising, Pressure-adjusting Dial • High-relief Flow (3/16" Relief Orifice) • Two 1/4" Gauge Ports • Piston Operated • Flow Capacity: 1-1/2" – 1,600 SCFM§ 2" – 1,600 SCFM§. Port Size High Flow 5 to 160 PSIG (0.34 to 11 bar) Bold Items are Most Popular. For other models refer to ordering information below. § SCFM = Standard cubic feet per minute at 100 PSIG inlet, 90 PSIG no flow secondary setting, and 10 PSIG pressure drop Ordering Information Port Size 7 1-1/2 Inch 8 2 Inch Engineering...

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Precision and Electronic Proportional Regulators-11

54R Series Dial Regulators Technical Specifications – 54R Technical Information Flow Characteristics Secondary Pressure - PSIG 1-1/2 Inch Ports Primary Pressure 100 PSIG (6.9 bar) Secondary Pressure - PSIG 2 Inch Ports Primary Pressure 100 PSIG (6.9 bar) 80 Flow - SCFM Flow - SCFM REGULATOR PRESSURE ADJUSTMENT – The working range of knob adjustment is designed to permit outlet pressures within their full range. Pressure adjustment beyond this range is also possible because the knob is not a limiting device. This is a common characteristic of most industrial regulators, and limiting devices may...

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