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008 PCQT

008 PCQT

008 PCQT

Product catalog summary
Overview
The Series 008PCQT is a spill-resistant backflow preventer designed for indoor point-of-use applications to prevent backsiphonage of contaminated water into the potable water supply. It features a diaphragm seal to separate the water supply from the air inlet, preventing spillage during start-up or operation.

Features
  • Internal polymer coating and Tee handles are standard.
  • Available with or without Tee handle for space-limited areas.
  • Left-handed or right-handed outlet options.
  • Spill-resistant design suitable for indoor use.
  • Modular cartridge for easy service.
  • Durable bronze body with a compact design.
  • Optional satin chrome finish and strainer.

Installation
The 008PCQT should be installed at the point of use. When factory-installed on machines, it must be at least 1" above the flood rim. For general plumbing applications, it should be a minimum of 6" above the flood rim.

Specifications
  • Constructed with a one-piece modular check and float assembly in a bronze body.
  • Stainless steel springs and a molded diaphragm to prevent spillage.
  • Temperature range: 33°F – 180°F (0.5°C – 83°C).
  • Maximum working pressure: 150psi (10.3 bar).
  • Female NPT - Ball Valve shutoffs.

Materials
  • Springs: Stainless steel
  • Bonnet: PPO
  • Vent Disc: EPDM
  • Disc Holder: PPO
  • Check Disc: Silicone rubber
  • Body: Bronze

Standards and Approvals
  • Meets IAPMO requirements.
  • Approved by the Foundation for Cross-Connection Control & Hydraulic Research at USC.

Dimensions and Weights
Available in sizes 3⁄8", 1⁄2", 3⁄4", and 1" with varying dimensions and weights. Detailed measurements are provided for each size.

Flow and Pressure Data
Flow rates and pressure drops are provided for different sizes, with typical maximum system flow rates noted.

Recommendations
  • A strainer is recommended ahead of the backflow preventer to prevent fouling.
  • Do not install in concealed locations where water leakage could cause damage.
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Catalog excerpts

008 PCQT-1

For Health Hazard and Continuous Pressure Applications Job Name Health Hazard, Anti-Siphon, Spill-Resistant Backflow Preventer Sizes: 3⁄8", 1⁄2", 3⁄4" and 1" (10, 15, 20, 25mm) Series 008PCQT is designed for indoor point-of-use applications to prevent backsiphonage of contaminated water back into the potable water supply. Separation of the water supply from the air inlet is accomplished by means of a diaphragm seal. This feature protects against any spillage during start-up or operation. Features • Standardly supplied with internal polymer coating • Standardly supplied with Tee handles • Available less Tee handle with stem wrench flats. For use where space is limited • Available in left-handed or right-handed outlet • Spill-resistant design for indoor use • Affordable design • Modular cartridge for ease of service • Vent uses an O-ring for reliable operation • Bronze body for durability • Compact space saving design • Satin chrome finish available • Available with strainer Installation The 008PCQT is designed to be installed at the point of use. When factory installed deck/machine mounted on machines or equipment, the critical level of the 008PCQT shall be not less than 1" (25mm) above the flood rim. If field applied for general plumbing applications, the critical level of the 008PCQT shall be a minimum of 6" (150mm) above the flood rim. Specifications A spill-resistant vacuum breaker (SVB) shall be installed, in accordance with the manufacturer's instructions, as noted on the plans. The valve shall consist of a one-piece modular check and float assembly made of engineered thermoplastic and housed in a bronze body. Springs shall be stainless steel. The valve shall be constructed with a molded diaphragm separating the air inlet from the potable water supply to prevent spillage. The valve shall be a Watts Series 008PCQT. Hood Bonnet O-ring Vent O-ring HoodScrews (2Required) Vent Spring AirBleedScrew BleedO-ring (notshown) Body Retainer Check Assembly Size: 3⁄8", 1⁄2" (10, 15mm) HoodScrew Hood Bonnet O-ring Vent O-ring Vent Spring AirBleedScrew BleedO-ring (notshown) Body Retainer Check Assembly TestCock Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.

 Open the catalog to page 1
008 PCQT-2

Materials Springs: Bonnet: Vent Disc: Disc Holder: Check Disc: Body: Meets requirements of IAPMO. Stainless steel PPO EPDM PPO Silicone rubber Bronze Listed by IAPMO, Approved by the Foundation for CrossConnection Control & Hydraulic Research at USC. Pressure – Temperature Female NPT - Ball Valve shutoffs Shutoff Capacity DispensingInducers As compiled from documented Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California lab tests. ⁄ "(20mm)Hose Adapterwith strainerwasher SupplyHose *Typical maximum system flow rate (7.5 feet/sec.) 38 Typical...

 Open the catalog to page 2

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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.