Fushiman PPD41B Pressure Reducing Valves

Manufacturer: Fushiman Co.,LTD.
Model: PPD41B

The photo shows a cast bronze spring guard.

Model	Nominal Diameter	Primary Pressure	Secondary Pressure Range	Maximum Operating Temperature	Body Material	Connection
PPD41B	15〜25	MAX. 4.0MPa	0.6～3.0MPa	80℃	SUS	Flange

The valve adopts a secondary pressure balance method, so the secondary pressure is hardly affected by fluctuations in the primary pressure.
The PPD41B-3 type pressure reducing valve is for high-pressure applications.
If the capacity is insufficient, please use the PHP30 type high-pressure gas pressure reducing valve (for specifications, please contact us).
We also manufacture high-pressure gas equipment certified products.

Specifications and Materials

Fluid	Pressure MPa		Temperature ℃	Main Component Materials					Pipe Connection
Fluid	Primary Side	Secondary Side Setting Range	Temperature ℃	Valve Box	Lower Cover	Spring Protection Tube	Valve Body ♦ Valve Stem	Diaphragm	Pipe Connection
Air and Non-Corrosive Gases	0.7 – 4.0	0.6〜1.6 1.3〜2.3 2.0〜3.0	0 – 80	Stainless Steel	Stainless Steel	Cast Steel or Carbon Steel	Stainless Steel (Valve Contact Surface with Teflon Coating)	Synthetic Rubber	Flange JIS 40K Flat Face

Note 1: ASME Class 300 and ASME Class 600 can also be manufactured.

Minimum Settable Differential Pressure	0.1 MPa
Offset	Approximately 10% of the maximum set pressure
Tight Shutoff Pressure Increase	Approximately 0.1 MPa
Minimum Adjustable Flow Rate (Air) (1)	3 m³/h (Standard Conditions)
Seat Leakage	Less than 0.05% of the rated flow rate

Note (1): For gases other than air, divide by √G (where G is the specific gravity of the gas, with air as 1).