上海德倫氣體設(shè)備有限公司

不繡鋼減壓器

產(chǎn)品說(shuō)明

FEATURES

316L and Hastelloy® body
Metal to metal diaphragm to body seal
Easy front panel and rear bracket mounting
Gauge ports are standard with 1/4” face seal male. Internal 1/4” face seal female is also available
No springs or threads are exposed to the wetted area
Standard fully internal electropolished
Designed for very low particle generation
Cleaned, assembled and packaged for high purity semiconductor applications
High-cycle life
100% Helium-leak tested

MATERIALS OF CONSTRUCTION

Wetted
Body： 316L stainless steel, Hastelloy®
Seat： PCTFE
Diaphragm： Elgiloy®, Hastelloy®
Poppet： 316 stainless steel, Hastelloy®
Compression Member： 316 stainless steel, Hastelloy®
Remaining Part： 316 stainless steel, Hastelloy®

Non-wetted
Nut： 316 stainless steel
Cap： nickel plated brass
Knob： ABS Plastic

Operating Conditions
Maximum Inlet Pressure： 300 psig (20 barg)
Outlet Pressure： 0-30 psig (2 barg)
Temperature： 0°F to 140°F (-18°C to 60°C)

Functional Performance
Flow Capacity： Cv=0.054
Maximum Leak Rate:
　　Inboard Leakage： 0.5 x 10^-9 atm cc/sec He
　　Outboard Leakage： 1.0 x 10^-9 atm cc/sec He
　　Across Seat Leakage： 1.0 x 10^-9 atm cc/sec He
Proof Pressure： 150% of maximum rated pressure
Burst Pressure： 400% of maximum rated pressure

Surface Finish
Standard Ra (EP)： 10 μin
Optional Ra (EP)： 5 μin

Internal Volume
　　9.3 cc

型號(hào)參數(shù)：

Series	Body	Ports	Seat	Inlet Pressure	Outlet Pressure	Gauge	Inlet/Outlet Connections	Options
U57	SL: 316L	A: 2 port	K: PCTFE	G: 300psig	L: 0-30psig	P: with gauge	91: FSR(1/4"F)	E: 5 μin
	H: Hastelloy®	B: 3 port				W: without gauge	92: FSR(1/4"M)	I: Internal 1/4" FSR(F) gauge ports
		G: 4 port					41: 1/4" tube weld stub	T: Trim Hastelloy® internal
		J: 4 port

上海德倫氣體設(shè)備有限公司

鄭溪松/張宇