GO PR-7系列超大流量可调减压阀
PR-7 Series
Ultra High Flow Adjustable Pressure Reducing Regulator
PR-7 系列专为那些使用高气体流速的应用程序，同时仍然需要紧凑的封装。 此外，本单元将可处理高达每分钟 1000 升的氢气流量没有典型的共振问题许多监管机构都在尝试这样的应用。专为低入口的气流应用而设计压力和低差压，该阀具有可承受高达入口压力3600 磅/平方英寸。 具有保持出口压力的能力与流量要求的大变化密切相关，这阀门非常适合作为主要压力源位于下游的减压阀。
技术数据
• Minimal droop with large fl ow increased
• No resonance with large hydrogen fl ows
• Stainless steel diaphragm
• 316L stainless steel or brass construction (optional
Hastelloy®, Monel®, or chrome-plated brass)
• T-handle adjusting assembly for easier adjustment
in the 250 and 500 psig ranges
• Material of construction: brass, stainless steel,
Viton®, PTFE, PEEK™, or Kalrez®
• Stainless steel cap
• Cv fl ow coeffi cient = 1.1 (full Cv with ½˝ ported
unit only)
• Operating temperatures up to +250° F (+121° C)
• Maximum inlet pressure of 3600 psig with PEEK™
seat
• Inlet/outlet connections: ¼˝, 3⁄8˝, or ½˝ FNPT
• Outlet pressure ranges of: 0–10, 0–25, 0–50, 0–100,
0–250 & 0–500 psig
Options
• Self-relieving
• Panel mount
• Captured vent
TEMPERATURE* @
MAXIMUM OPERATING INLET
PRESSURE
PTFE 150° F (66° C) @ 1000 psig (6.90 MPa)
PEEK™ 250° F (121° C) @ 3600 psig (24.82 MPa)
Viton® 250° F (121° C) @ 300 psig (2.07 MPa)
Kalrez® 250° F (121° C) @ 300 psig (2.07 MPa)
0–250 psig & 0–500 psig Outlet Pressure
(T-handle or Tamper-proof)
SEAT MATERIAL
MAXIMUM
TEMPERATURE @
MAXIMUM OPERATING INLET
PRESSURE
PTFE 150° F (66° C) @ 1000 psig (6.90 MPa)
PEEK™ 250° F (121° C) @ 3600 psig (24.82 MPa)
产品选型说明：
