The Kunkle 171S-D01-M6 Stainless 3/4″ Relief Valve is a heavy-duty, industrial-grade pressure relief valve designed to protect fluid systems from overpressure conditions. Constructed from high-quality 316 stainless steel, this valve offers excellent corrosion resistance, making it ideal for use with harsh or corrosive media such as chemicals, acids, and ammonia. It operates by automatically opening at a preset pressure to relieve excess pressure and then resealing once normal operating conditions are restored, helping to safeguard pumps, tanks, piping, and hydraulic systems.
Engineered for reliability, the 171S series features precision-lapped seats for tight sealing and a ball-bearing pivot design that helps correct misalignment and reduce wear, ensuring consistent performance over time. With a typical pressure range up to 400 PSIG and wide temperature tolerance, this valve is commonly used in industrial processing, chemical plants, water treatment systems, and sanitary applications where durable stainless steel construction is required.
Key Features:
- 3/4″ stainless steel pressure relief valve
- Heavy-duty 316 stainless steel construction
- Designed for overpressure protection
- Precision-lapped seat for tight sealing
- Handles corrosive fluids and harsh environments
- Reliable automatic pressure release and reseal
Specifications:
- Brand: Kunkle
- Model: 171S-D01-M6
- Size: 3/4″ inlet x 3/4″ outlet
- Material: Stainless Steel (316)
- Pressure Range: Up to 400 PSIG (varies by setpoint)
- Temperature Range: Approx. -20°F to 550°F
- Type: Liquid Relief Valve
Applications:
- Chemical processing systems
- Industrial fluid and hydraulic systems
- Pumps, tanks, and piping protection
- Water treatment facilities
- Corrosive and sanitary fluid applications
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