Product Handbook 2026 - Volume 1

Control systems Pressure reducing/surplussing valves

4

Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P186-11) supplied with the product.

How to order Example: 1 off, Spirax Sarco DN40 SRV66HC direct acting pressure reducing valve having a pressure range of 0.8 – 2.5 bar g and a PN16 / PN6 rating and FPM diaphragm.

Spare parts The spare parts available are detailed below. No other parts are supplied as spares. Available spares Diaphragm, 'O' ring and gasket kit

10, 11, 12, 13, 17, 20

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How to order spares Always order spares by using the description given in the column headed 'Available spares' and state the size, model, pressure range and PN rating. Example: 1 - Diaphragm, 'O' ring and gasket kit for a Spirax Sarco DN40 SRV66HC direct acting pressure reducing valve having a pressure range of 0.8 – 2.5 bar g and a PN16 / PN6 rating and FPM diaphragm.

13

4.6 151

17

11

10

TI-P186-10 CMGT Issue 4

Page 5 of 5

SRV66HC High Capacity Sanitary Pressure Reducing Valve

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