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IN-LINE CHECK VALVES

IN-LINE CHECK VALVES
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IN-LINE CHECK VALVES

Product catalog summary
Overview
Conbraco Industries, Inc. manufactures a variety of in-line check valves in the USA, designed to prevent reverse flow in liquid or gas systems. These valves are applicable in both residential and industrial settings.

Check Valve Numbering System
The numbering system specifies type, spring type, size, and options, ensuring compatibility with applications to prevent noise and premature failure.

Protection Against Reverse Flow
Spring-loaded check valves prevent water hammer by closing before flow velocity reaches zero, protecting pipelines and equipment.

Series Overview
  • 61-100 Series: Bronze body, suitable for various applications, reliable reverse flow protection.
  • 61-200 Series: Similar to 61-100 with male x female threading.
  • 61-500 / 61-600 Series: Low flow applications, EPDM soft seat for bubble-tight shutoff, reduced noise.
  • 61-700 Mini Check Valves: Compact design for cold water, air, and some non-hazardous gases and oils.
  • 70-100-BC Series: Unidirectional ball valves with reinforced TFE seats.


Materials and Construction
Valves are made from bronze, stainless steel, and reinforced Teflon, ensuring durability and corrosion resistance.

Warranty and Limitations
A two-year warranty is offered against defects, limited to the initial purchaser, excluding special or consequential damages.

Applications
Used in industries such as pulp & paper, chemical processing, agriculture, petroleum, mining, power generation, textiles, food and beverage, and construction.

70-100-BC Series Ball Valves
  • Features blowout-proof stems, RPTFE seats, adjustable packing gland, chromium-plated ball.
  • Sizes from 1/2" to 2" with female x female threaded connections.
  • Suitable for water or air applications in OEM or mechanical systems.


62 Series In-Line Check Valves
  • Stainless steel construction for corrosive environments.
  • Patented design for tight shutoff in reverse flow conditions.
  • Spring-loaded, rated at 400 psig CWP and 125 psig saturated steam.
  • Sizes from 1/4" to 2".


62-500 Series In-Line Check Valves
  • For lower flow applications, Viton® soft seat for bubble-tight shutoff, reduced noise.
  • Spring-loaded, center guided, rated at 400 psig CWP, max temperature 350°F.
  • Sizes from 1/4" to 1".


Materials of Construction
  • Body: Stainless Steel - ASTM A351, CF8M.
  • Retainer and Guide: Stainless Steel - ASTM A276, 316.
  • Ball Check: RPTFE - Reinforced Teflon™.
  • Spring: AISI 316 Stainless Steel.


Flow Rate and Dimensional Specifications
  • Flow rates in GPM for various sizes at 1 psi pressure differential.
  • Dimensional specifications include size, dimensions (A, B, C), and weight per 100 units.


Repair Kits
  • Available for various sizes and series, with part numbers for reference.


Contact Information
  • Contact Conbraco’s Customer Service at (704) 841-6000 or visit www.apollovalves.com for more information or orders.
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Catalog excerpts

IN-LINE CHECK VALVES-1

IN-LINE CHECK VALVES MADE IN THE USA

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IN-LINE CHECK VALVES-3

Check Valve Numbering System www.apollovalves.com Spring Loaded Check Valves Extend System Life In any liquid or gas system where reverse flow cannot be tolerated, a quick-responding check valve is a necessity. Check valves that close slowly permit flow reversal to occur in the line which can cause severe mechanical shock. As the valve finally seats, high peak pressure pulses and shock waves are generated on the downstream side due to the media being forced to a sudden stop. Upstream, the momentum is not restricted which can create voids in the flow, filling with air or vapor to cause additional,...

 Open the catalog to page 3
IN-LINE CHECK VALVES-4

Conbraco In-Line Check Valves Provide Fast, Dependable Protection Against Reverse Flow Conbraco’s in-line check valves set the standard for compact, economical protection against reverse flow. They provide reliable service in liquids or gases at various temperature and pressure combinations. Conbraco check valves are rated 400 psig CWP, cold non-shock. Their straight-through configuration minimizes changes in flow velocity. Because of their simple design, they’re versatile and easy to maintain. Tight... Or Bubble Tight Patented Conbraco Ball Cone® check valves (61-100, 61-200 and 62-100) feature...

 Open the catalog to page 4
IN-LINE CHECK VALVES-5

61 Series Bronze Ball Cone® Check Valves www.apollovalves.com Female x Female Threaded 1/4" through 3" Well-suited for a broad range of applications, including 125 psig saturated steam. The rugged bronze body and RPTFE ball check provide reliable, patented protection against reverse flow. Features Unique (U.S. Patent # 4,172,465) design provides tight shutoff in reverse flow conditions. It is spring-loaded for fast seating action and center guided so that radial alignment is never needed. Straight-through flow minimizes velocity change. Like all Conbraco in-line check valves, it is rated 400...

 Open the catalog to page 5
IN-LINE CHECK VALVES-6

61-200 Series Ball Cone® Check Valves Customer Service 1-704-841-6000 Male x Female Threaded 1/4" through 2" Ideally suited for a broad range of applications, including 125 psig saturated steam. The rugged bronze body and RPTFE ball check provide reliable, patented protection against reverse flow. Features Unique (U.S. Patent # 4,172,465) design provides tight shutoff in reverse flow conditions. It is spring-loaded for fast seating action and center guided so that radial alignment is never needed. Straight-through flow minimizes velocity change. Like all Conbraco in-line check valves, it is rated...

 Open the catalog to page 6
IN-LINE CHECK VALVES-7

61-500 / 61-600 Series Bronze Check Valves www.apollovalves.com 61-600 Dimensional Specifications Number Size (in.) A B C Wt./100 61-603-01 1/2 2.75 1.12 1.25 38 61-604-01 3/4 3.68 1.50 1.62 75 61-605-01 1 4.50 1.93 2.12 145 61-606-01 1-1/4 6.11 2.13 2.38 330 61-607-01 1-1/2 6.87 2.50 2.81 610 61-608-01 2 7.46 3.38 3.75 1010 61-500 Dimensional Specifications Number Size (in.) A B C Wt./100 61-501-01 1/4 2.31 1.12 1.12 38 61-502-01 3/8 2.31 1.12 1.12 38 61-503-01 1/2 2.31 1.12 1.12 38 61-504-01 3/4 2.87 1.37 1.50 75 61-505-01 1 3.50 1.75 1.93 145 61-506-01 1-1/4 4.18 2.12 2.37 275 61-507-01 1-1/2...

 Open the catalog to page 7
IN-LINE CHECK VALVES-8

61-700 Series Mini Check Valves & 70-100-BC Unidirectional Ball Valves Female x Female Threaded 1/4" through 1" Ideally suited for cold water, air, and some non-hazardous gases and oils. Check compatibility with intended usage. Features The 61-700 operates on horizontal or vertical flow (up). It is spring-loaded for fast seating action. It does not generate hammering and has been air tested for leakage. It is rated at 250 PSIG CWP with a maximum temperature of 180°F. Customer Service 1-704-841-6000 Materials of Construction 1 Body Brass, ASTM B16 2 Check Assembly Acetal/Brass/Silicone/Buna-N...

 Open the catalog to page 8
IN-LINE CHECK VALVES-9

62 Series Stainless Steel Ball Cone® Check Valves www.apollovalves.com Female x Female Threaded 1/4" through 2" The 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball check provide reliable, patented protection against reverse flow. Features Unique (U.S. Patent # 4,172,465) design provides tight shutoff in reverse flow conditions. The body of the valve is investment cast stainless steel for longer life in severe environments. It is spring-loaded...

 Open the catalog to page 9
IN-LINE CHECK VALVES-10

62-500 Series Stainless Steel Check Valves Customer Service 1-704-841-6000 Female x Female Threaded 1/4" through 1" Perfect for lower flow applications in tough industrial environments, since seat disc and soft seat are less prone to vibration. The stainless steel body and check provide lasting protection against reverse flow. Features The 62-500 features a Fluorocarbon (Viton®) soft seat for bubble tight shutoff, reduced noise and vibration. It is spring-loaded for fast seating action and center guided so that radial alignment is never needed. Straight-through flow minimizes velocity change....

 Open the catalog to page 10
IN-LINE CHECK VALVES-12

To learn more about Conbraco In-Line Check Valves, or to place and order, see your Conbraco distributor. Or contact Conbraco’s Customer Service Department. Phone (704) 841–6000; Fax (704) 841–6020. Other Conbraco Literature For Your Specification Library Conbraco Industries, Inc. P.O. Box 247 Matthews , NC 28106 (704) 841-6000 Fax: (704) 841-6020 www.apollovalves.com Your local Conbraco distributor is: Water Pressure Reducing Valves Brochure PHBRCHV 11/08 DKG 5M Printed in U.S.A. Apollo® and Conbraco are registered trademarks of Conbraco Industries Inc. which reserves the right to change specifications...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.