For ordinary regulators, including those of the SRH series, leakage cannot be completely prevented from the inlet side to the outlet side of the main valve due to the product’s construction. If consumption on the outlet side stops for a long time, the pressure on the outlet side may gradually increase. Consider installing a pressure relief valve, etc., as necessary.
Note) Even if the regulator

A comparison table between the old and new standard products is shown below. Refer to the catalog for the optional part numbers(*) and thread types.
VBA/VBAT Comparison Table

Monitor output is available as an analog or switch signal.  ITV regulators are IP65 equivalent.

ISE20B is UL/CSA, CE and RoHS compliant, with an IP65 enclosure rating.

Monitor output is available as an analog or switch signal.  ITV regulators are IP65 equivalent.

Monitor output is available as an analog or switch signal.  ITV regulators are IP65 equivalent.

ISE20B is UL/CSA, CE and RoHS compliant, with an IP65 enclosure rating.

Port Size: 01 [R(PT)1/8], Model: AN (Barb Fitting for Nylon Tubing), Applicable Tube OD: 6 (Ø6XØ4)

Port Size: 01 [R(PT)1/8], Model: AN (Barb Fitting for Nylon Tubing), Applicable Tube OD: 4 (Ø4XØ2.5)

Bore Size: 40 (1 1/2"), Stroke, Inch: 12, Stroke, Hundredths of an Inch: 00, Option: X132 (Axial Ports)

Bore Size: 20 (3/4"), Stroke, Inch: 20, Stroke, Hundredths of an Inch: 00, Option: XC24 (Magnetic Sheilding Plate)

Bore Size: 40 (1 1/2"), Stroke, Inch: 25, Stroke, Hundredths of an Inch: 00, Option: X132 (Axial Ports)

Bore Size: 40 (1 1/2"), Stroke, Inch: 40, Stroke, Hundredths of an Inch: 00, Option: X132 (Axial Ports)

Bore Size: 40 (1 1/2"), Stroke, Inch: 40, Stroke, Hundredths of an Inch: 00, Option: XB6 (Heat Resistant)

Bore Size: 20 (3/4"), Stroke, Inch: 8, Stroke, Hundredths of an Inch: 00, Option: X210 (Oil-free Exterior)

Bore Size: 6 (1/4"), Stroke, Inch: 2, Stroke, Hundredths of an Inch: 25, Option: X210 (Oil-free Exterior)

Bore Size: 32 (1 1/4"), Stroke, Inch: 10, Stroke, Hundredths of an Inch: 00, Option: X160 (High Speed)

Bore Size: 32 (1 1/4"), Stroke, Inch: 55, Stroke, Hundredths of an Inch: 00, Option: X160 (High Speed)

Bore Size: 40 (1 1/2"), Stroke, Inch: 55, Stroke, Hundredths of an Inch: 00, Option: X160 (High Speed)

Bore Size: 32 (1 1/4"), Stroke, Inch: 30, Stroke, Hundredths of an Inch: 00, Option: X160 (High Speed)