Piston loaded high pressure regulator for HP & UHP gases - RX3700

RX3700 is a piston loaded high pressure regulator for HP & UHP applications, self-relieving and non-relieving.

Key advantages

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CONSTRUCTION MATERIAL

SURFACE FINISH

S	V	U
Ra 0.4 μm (15 μin)	Ra 0.25 μm EP (10 μin)	Ra 0.13 μm EP (5 μin)

Flow capacity (Cv)	0.09	0.15
Supply pressure effect I*	5	11

_{*1 bar / 100 bar inlet pressure change}

FLOW CURVES

RX3700

Specifications

Max inlet pressure	310 bar (4,500 psig)
Outlet Pressure	34 / 172 bar (500 / 2,500 psig)
Regulator type	Tied diaphragm
Burst pressure	300% of operating pressure
Proof pressure	150% of operating pressure
Temperature range	-20°C to +65°C (-4°F to +149°F)
Certified max. helium outboard leak rate	≤ 1 x 10-6 mbar.l/s
Certified max. helium across the seat leak rate - at max. pressure	≤ 1 x 10-6 mbar.l/s
Certified max. helium inboard leak rate - at max. pressure	≤ 1 x 10-6 mbar.l/s

Dimensional drawings

Product Configurator

	Regulator type	Outlet Pressure	Seat material	Cv value	Body material	Surface finish	Porting configuration	Connections	Actuation	Inlet pressure	Options
RX	37	K	K	009	S	S	2W1	4F	M	310	H
	High outlet pressure with piston (Tied diaphragm) 37	34 bar (500 psig) K 172 bar (2,500 psig) M	PCTFE K Polyimid V	0.09 009 0.15* 015	Stainless Steel AISI 316L S Stainless Steel AISI 316 AOD Var V	Ra 0.4 μm (15 μin) S Ra 0.25 μm EP (10 μin) V Ra 0.13 μm EP (5 μin) U	2 ports 2W1 3 ports 3W4 4 ports 4W6	1/4” Female VCR 4F 1/4” Male VCR 4M	Handwheel M Handwheel venting S	310 bar (4,500 psig) 310	Hastelloy Trim H Gauge (bar/PSI)* PG0 Gauge (MPa)*** PG1

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* Polyimid mandatory for Cv of 0.15
** Includes Hastelloy C22 Poppet, wetted spring & diaphragm
*** Standard gauge ports are Metal Face Seal ¼\" Male

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