CIRCLE SEAL安全阀HP500系列

高压和Inline Relief Valves
150 至 575 psig (10 – 40 bar)

特征
Very accurate cracking pressure
Zero leakage up to 95% of cracking pressure
100% seat leakage tested
Tamper-proof adjustment
PED certifications and CE marking available for most models
Applications
• System overpressure protection
• Storage tanks
• Freon® recovery systems
• Medical equipment
• Refrigeration & heating equipment
• Measuring & dispensing pumps
• Communications equipment
• Process control instruments
• R & D pilot plants

技术数据：
Body Construction Materials Brass, 316 stainless steel
O-ring Materials Buna N, ethylene propylene, neoprene, silicone,
and Viton®
Spring Material 17-7 PH stainless steel
Poppet Brass, 316 stainless steel
Shroud Brass, 316 stainless steel
Operating Pressure • ¼˝ pipe: 150 to 575 psig (10 to 40 bar)
• ½˝ pipe: 150 to 450 psig (10 to 31 bar)
Temperature Range −65° F to +350° F (−54° C to +177° C)
Based on O-ring & body material, see “How to Order”
Connection Sizes ¼˝ to ½˝ male and female pipe
Note: Proper filtration is recommended to prevent damage to sealing surfaces.

产品选型说明：

部分产品型号：

circle seal安全阀 D559A-1M 铝 Buna N 1/8 in 0.5-150 psig
circle seal安全阀 D559A-2M 铝 Buna N 1/4 in 0.5-150 psig
circle seal安全阀 D559A-3M 铝 Buna N 3/8 in 0.5-150 psig
circle seal安全阀 D559A-4M 铝 Buna N 1/2 in 0.5-150 psig
circle seal安全阀 D559A-6M 铝 Buna N 3/4 in 0.5-150 psig
circle seal安全阀 D559A-8M 铝 Buna N 1 in 0.5-150 psig
circle seal安全阀 D559B-1M 黄铜 Buna N 1/8 in 0.5-150 psig
circle seal安全阀 D559B-2M 黄铜 Buna N 1/4 in 0.5-150 psig
circle seal安全阀 D559B-3M 黄铜 Buna N 3/8 in 0.5-150 psig
circle seal安全阀 D559B-4M 黄铜 Buna N 1/2 in 0.5-150 psig
circle seal安全阀 D559B-6M 黄铜 Buna N 3/4 in 0.5-150 psig