Resideo Braukmann BA300 Class 4 Backflow Preventer RPZ Valve - Cat 4 (Previously a Honeywell Product)

At Flowstar, we offer a comprehensive recertification and recalibration service for pressure gauges. Our service is professional, swift, and efficient, conducted by highly trained staff who are experts in the field. If you need further information about our pressure gauge recertification services, please feel free to contact us at +44 (0)1482 601030 or email us at sales@flowstar.co.uk. Trust Flowstar for reliable gauge recalibration and service excellence.

**Features & Benefits** - Effectively safeguards the system by capturing foreign particles - Includes a drain plug as standard within the cap - Constructed with a durable stainless steel screen - Options for test points available to facilitate system diagnostics - ANSI versions offered, including Class 125 Fig. 822ANSI, Fig. 922ANSI, Fig. 810ANSI, and Fig. 910ANSI **Specifications** - Robust bolted cover - Figures 910 and 922 come complete with two Figure 631 test points - Flanges designed to BS EN 1092-2 PN16 or ANSI B16.1 Class 125 **Pressure/Temperature Ratings** - Operates at 13 Barg up to 220ºC - Supports 16 Barg from -10 to 120ºC - Please note: Figure 910 has a maximum temperature limitation of 135ºC Discover the ideal solution to your system protection needs with our expertly designed stainless steel screens and robust flanges, ensuring optimal performance and reliability.

The Emerson Kunkle Model 337 safety relief valve is designed to safeguard low to medium pressure, high volume blowers, compressors, conveying systems, and bulk hauling trailers and equipment.

As part of our service, we offer complimentary setting and testing of the valve, along with a pressure test certificate for your peace of mind.

**Key Features:**

- **High Capacity Design:** The large nozzle facilitates an impressive flow rate.
- **Enhanced Performance:** Flat bronze valve seats are precision-lapped for optimal functionality.
- **Easy Adjustability:** The warn ring allows for precise opening with minimal pre-opening or simmer.
- **Alignment Correction:** A pivot mechanism between the disc and spring compensates for misalignment and spring side thrust.
- **Manual Testing Convenience:** The Model 337 features a 'lift-pin' device for straightforward manual testing.
- **Robust Construction:** Comes standard with a bronze nozzle and disc, with optional stainless steel trim available.
- **Thorough Inspection:** Each valve undergoes rigorous testing and inspection for pressure settings and leakage.

**Specifications:**
Material: Body - Cast Iron / Nozzle - Bronze
Sizes Available: 2" to 3" (DN50 to DN80)
Connections: NPT Male Inlet x NPT Female Outlet or BSPT Male Inlet x BSPT Female Outlet
Orifice Sizes: 2" - 1.916 Sq. in. / 2.5" - 2.786 Sq. in. / 3" - 4.037 Sq. in.
Medium: Air
Pressure Range: 0.07 to 4.1 barg (1 to 60 psig)
Temperature Range: -29°C to 208°C (-20°F to 406°F)