Single Stage Regulator

Do you use standard pressure regulators that suffer from multiple issues, such as poor pressure sensitivity, output drift caused by fluctuations in supply pressure, lack of resistance to corrosive and toxic media, valve jamming due to impurities in the piping, lack of models specifically designed for oxygen, high leakage rates, instability under high- and low-temperature conditions, mismatched flow rates at the connections, inability to accommodate high-pressure inlet gas, and a limited selection of pressure ranges?

This WR12 medium-flow pressure regulator provides a one-stop solution to all the pain points associated with your existing pressure regulator, including sluggish pressure regulation, unstable output caused by fluctuations in the gas supply pressure, lack of resistance to corrosive and toxic gases, damage to the valve core caused by impurities in the piping, lack of an oxygen-compatible solution, excessive leakage, performance failures in high- and low-temperature environments, mismatched flow port specifications, inability to withstand high-pressure inlet gas, and incomplete pressure range coverage. It offers a specialty gas pressure regulation solution featuring high-precision pressure stabilization, corrosion resistance and safety, built-in filtration, ultra-low leakage, wide temperature range compatibility, and optional high-pressure models across multiple ranges.

Our Advantages:

1. Large corrugated diaphragm for sensitive pressure regulation, precise pressure control, and elimination of process pressure fluctuations

2. Balanced valve core resists upstream pressure fluctuations, ensures stable output, and improves yield

3. Multiple outlet pressure ranges available; a single model fits multiple production lines, reducing inventory costs

4. Supports high-pressure inlet pressure of 500/3000 psig; withstands high-pressure surges without damage

5. Hastelloy diaphragm + PCTFE valve seat; resistant to corrosive and highly toxic gases, extending service life and eliminating the risk of leakage and poisoning

6. Customizable oil-free, clean versions are available for high-purity oxygen applications, eliminating fire and explosion hazards

7. Built-in 20 μm stainless steel inlet filter prevents impurities from scratching the valve core, eliminating the need for a pre-filter

8. 1/2 NPT high-flow inlet and outlet ports + 1/4 NPT pressure gauge port; no adapters required, reducing potential leak points

9. Bubble-level internal sealing with helium leakage ≤ 1×10⁻⁹ mbar・l/s, meeting semiconductor high-purity gas standards

10. Stable operation across a wide temperature range of -40℃ to +60℃ (-40℉ to +140℉); pressure regulation remains reliable in both high- and low-temperature environments

WR12 medium flow gas pressure regulator, Hastelloy diaphragm, max inlet 3000psig, oxygen cleaning optional, suitable for lab gas system & ultra high purity gas pipeline. Factory direct supply.

Technical Data

Item	Specification
Max Inlet Pressure	500psig, 3000psig
Outlet Pressure Range	0～30, 0～60, 0～100, 0～150, 0～250
Component Material	Seat：PCTFE Diaphragm：Hastelloy Filter mesh：316L
Working Temperature	-40℃～+60℃(-40℉～+140℉)
Leak Rate (Helium)	Internal： Bubble-tight External：≤1×10-9 mbar l/s
Flow Coefficient(Cv)	1.0
Body Thread	Inlet port：1/2NPT Outlet port：1/2NPT Pressure gauge port：1/4NPT

DESIGN FEATURES

Single-stage diaphragm structure
Corrugated large diameter diaphragm improves sensitivity
Balanced spool design reduces pressure supply effect
Suitable for corrosive and toxic gases
20 μm filter element installed at inlet
Oxygen environment options are available

Cleaning Technics

Standard WK-BA
The welded fittings are cleaned in accordance with our standard cleaning and packaging specifications
No suffixes need to be added when ordering
Oxygen Cleaning WK-O2
Specifications for cleaning and packaging of products for oxygen environments are available
This meets ASTM G93 Class C cleanliness requirements. When ordering, add -O2 to the end of the order number

WR12 Ordering Number Description

6L	05	150	D	04 M M 04	Z	O2
Body Material	Inlet Pressure P1	Outlet Pressure Range P2	Porting	Connection 1/2/3/4	Optional Feature	Product Grade
6L：316L SS	30：3000psig	30：0~30 psig	A：2 ports	04：1/2" Female NPT	None	Standard(BA)
B：Brass	05：500 psig	60：0~60psig	B：3 ports	11：3/8" OD	Z：With a panel nut	O2：Oxygen cleaning
		100：0~150 psig	D：4 ports	12：1/2" OD
		150：0~150 psig	Other ports are available upon request	M：With gauge (psi/MPa)
		250:0~250psig		Refer to the manual for cylinder connections. Other connections are available upon request.

Applications

wr12 series medium flow pressure regulator 316l stainless steel single stage diaphragm regulator for corrosive toxic specialty gas cv10 oem available-0

FAQ

Q1: Can you support oxygen cleaning?
A: Yes, we provide oxygen cleaning conforming to ASTM G93 Class C, add suffix -O2 in part number.
Q2: What ports are available besides 1/2"NPT?
A: 3/8"OD,1/2"OD, VCR connections can be customized.
Q3: Can this regulator be panel mounted?
A: Yes, panel mounting nut and bottom mounting holes are optional.
Q4: What kind of gas can this regulator handle?
A: Suitable for nitrogen, argon, hydrogen and most corrosive & toxic specialty gases.

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