Product Handbook 2026 - Volume 1

Control systems Control valves

4

Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2023

TI-P118-06 CMGT Issue 7

PV4 Piston Valve

Description The PV4 is a piston isolation valve that has been designed for use on steam, condensate and other liquid sytems.

4.1 175

Available types: Screwed, butt weld and socket weld connections Carbon steel body/bonnet and stainless steel internals

Standards This product fully complies with the requirements of the EU Pressure Equipment Directive/UK Pressure Equipment (Safety) Regulations. Certification This product is available with certification to EN 10204 3.1. Note: All certification/inspection requirements must be stated at the time of order placement.

Sizes and pipe connections ½ "

Butt welded ends to EN 12627:1999BW - ASME B16.25 Screwed BSP (BS 21/DIN 2999) or NPT to (ASME B1.20.1) Socket weld ends to ASME B 16.11

Kv values

Size

½"

For conversion: C v (UK) = K v x 0.963 C v (US) = K v x 1.156

Screwed, socket weld and butt weld

Kv

3

TI-P118-06 CMGT Issue 7

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PV4 Piston Valve

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