Product Handbook 2026 - Volume 1

Control systems Pressure reducing/surplussing valves

4

Dimensions (approximate) in mm Setting bar range Size

B

Nominal diameter DN

15

20

25

32

40

50

AE1*

90

90

90

120 120 120

AE2*

90/100/110 ** 120 120 120 C 200 200 200 200 200 200 D 138 138 138 138 138 138 90

0.8 - 2.5 1 - 5

C

AE1*

120 120 120 120 120 120

AE2*

120/140 ** 120 120 120 C 200 200 200 200 200 200 D 200 200 200 200 200 200

0.3 - 11

AE2

* Overall length tolerances in accordance with DIN EN 558 ** Dimensions can vary according to type of connection, please enquire

AE1

Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P186-09) supplied with the product. Installation note: The SRV66 should always be fitted with the inlet vertical and the spring housing directly above the valve.

4.6 145

Warning The pressure reducing valve should not be insulated as this may lead to over heating and destroy the elastomer seals.

How to order example 1 off Spirax Sarco DN25 SRV66 direct acting sanitary pressure reducing valve having a pressure range of 1 – 5 bar g a PN10/PN6 rating, FPM diaphragm and sanitary clamp compatible connections according to ASME BPE.

Spare parts The spare parts available are detailed below. No other parts are supplied as spares. Available spares Maintenance kit consisting of diaphragm and 'O' ring

10, 11

How to order spares

11 10

Always order spares by using the description given in the column headed 'Available spares' and state the size, model and pressure range. Example: 1 - Diaphragm and 'O' ring for a Spirax Sarco DN25 SRV66 direct acting pressure reducing valve having a pressure range of 1 - 5 bar, a PN10/PN6 rating and an FPM diaphragm.

11

TI-P186-08 CTLS Issue 19

Page 5 of 5

SRV66 Sanitary Pressure Reducing Valve

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