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Product details

About this part

The CROWN e-FLOW RH2SSA-3W-022R-28M28M-Q is made by Crown and identified by manufacturer part number RH2SSA-3W-022R-28M28M-Q.

This listing is for the exact part number stated above. Compare the part number, condition and photos with your equipment before ordering.

Condition

This item is listed as New. Factory new, in original packaging.

The photos are part of the description — check them for labels, connectors, markings and any visible wear.

What's included

1 × CROWN e-FLOW RH2SSA-3W-022R-28M28M-Q.

Only the items listed here or clearly shown in the photos are included. Cables, manuals, mounting hardware and accessories are not included unless stated.

Identification & compatibility

Check the manufacturer (Crown), the part number (RH2SSA-3W-022R-28M28M-Q) and the photos against your equipment. If you are not sure this is the right part, contact us before you order.

Price match

Found an identical item for less at a fixed price elsewhere? Contact us before you buy with the details, and we will review it.

Important information

Product information is based on what is available for this specific item. Where specifications or compatibility are critical to your application, confirm them before purchase.

Brand
Crown
Part number
RH2SSA-3W-022R-28M28M-Q
Model
RH2SSA-3W-022R-28M28M-Q
Country of Origin
Japan
Brand / series (label)
Crown e-flow
G-No. (label)
E37461-53
Label code
13-07
Body material (stamped)
316L stainless steel
Max. inlet pressure (label)
2 MPa
Gauge
SKS compound gauge, -0.1 to 1 MPa, CL 1.6
Gauge marking
USE NO OIL & WATER
Adjustment
Hand knob; do not turn at 2 N·m or more (cap label)
Ports
IN and OUT, threaded male fittings
Bottom stamp
G, 13F126, Q, 316L
Made in (cap label)
Japan

The Crown e-flow RH2SSA-3W-022R-28M28M-Q is a stainless steel gas pressure regulator with a 316L body, a hand knob for setting pressure, and an SKS compound gauge reading -0.1 to 1 MPa. A label gives a maximum inlet pressure of 2 MPa, and the knob cap reads Crown, e-flow, Made in Japan. The part number is also searched as RH2SSA-3W-022R and RH2SSA3W022R28M28MQ.

What do the markings say?

The body label reads G-No. E37461-53, PART No. RH2SSA-3W-022R-28M28M-Q and 13-07. A label on the back of the gauge case reads MAX. INLET PRESSURE 2 MPa. The bottom face is stamped G, 13F126, Q and 316L. The ports are marked IN and OUT.

How is the pressure set?

Turn the black knob: the cap shows the INCREASE and DECREASE directions. The cap also warns that the handle is damaged if turned at 2 N·m or more, so do not force it past its end stop.

What gauge is fitted?

An SKS compound gauge, scale -0.1 to 1 MPa, accuracy class CL 1.6, marked "USE NO OIL & WATER". A compound gauge reads both vacuum (below 0) and positive pressure on one dial.

What condition is it in?

New. The photos show the regulator with the gauge fitted, two threaded male port fittings, and clean, polished stainless steel.

Ships from
Israel
Tracking
Included on every order

Import duties and taxes may apply in your country and are paid by the buyer on delivery.

Returns
Not accepted

Return terms differ from item to item — this item's own policy is shown above.

Whatever it says, an item that arrives faulty or not as described is covered: tell us within 30 days of delivery and we will refund or replace it.

Consumers in the EU, the UK and Israel keep their legal right to cancel within 14 days. Full details and the return request form are on our Returns and warranty page.

Read the full returns & warranty policy

Questions about this part

What is the Crown RH2SSA-3W-022R-28M28M-Q?

A Crown e-flow stainless steel pressure regulator with a 316L body, rated for a maximum inlet pressure of 2 MPa, fitted with an SKS -0.1 to 1 MPa compound gauge.

How does a pressure regulator work?

It lowers a higher inlet pressure to a steadier, lower outlet pressure. In a typical spring-loaded regulator, turning the knob changes the spring force that sets the pressure held at the outlet.

What is a compound gauge?

A gauge that reads both vacuum and positive pressure on one dial. This SKS gauge reads from -0.1 MPa (vacuum) to 1 MPa.

What is the maximum inlet pressure?

2 MPa, as printed on a label on the back of the gauge case.

Is there a torque limit on the knob?

Yes. The cap label warns that the handle is damaged if turned at 2 N·m or more.

What condition is it in?

New, with the gauge fitted, as shown in the photos.

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