SV60 Safety Valve

Description

The SV60 is a range of full lift flanged safety valves suitable for use on steam, inert industrial gas and water services.
Please contact Spirax Sarco for suitability of any other media.

Available types

Model and material		Bonnet and cap configuration
SV604 SV607	Carbon steel SG iron	Closed bonnet	Open type easing lever
			Sealed cap
		Open bonnet	Packed easing lever – DN20 to DN100 only
			Open type easing lever

Applications
The SV60 is suitable for the protection of steam boilers, pipelines, pressure vessels, compressors and receivers and most general process industry applications.

Certification
A manufacturers’ Typical Test Report is provided as standard for each valve which will include valve set and hydraulic test pressure. Also available on request is material certification in accordance with EN 10204 3.1.

Standards and approvals
The SV60 carries the mark and complies with the requirements of
the European Pressure Equipment Directive 2014/68/EU falling within
Category 4 for Group 2 gases.
Seat tightness to ASME/API Standard 527-1992.
Lloyds Register (LR) type approval – Certificate number 01/00125 (E2).
The SV604 (PN flanged) is approved by the TÜV to AD-Merkblatt A2,
AD-Merkblatt A4, TRD 421, Vd TÜV 100, 100/4.

Sizes and end connections

Inlet sizes: DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125 and DN150.			Standard PN flanges are to EN 1092 and ASME 300 flanges to EN 1759-1.
Valve type	Inlet connection	Outlet connection
SV607	PN16 (DN65 to DN150 only)	PN16
SV607	PN25	PN16
SV604	PN40	PN16
SV604	ASME 300	ASME 150

Materials

SV60 Safety Valve

No.	Part		Material	SV607/SV604
1	Body		SG iron/carbon steel	GJS-400-18LT/1.0619 + N
2	Seat		Stainless steel	DN20 – DN100 1.4057 or for DN125 – DN150 ANC2
3	Bonnet		SG iron/carbon steel	GJS-400-18LT/1.0619 + N
4	Cap		SG iron	GJS-400-15
5	Disc		Stainless steel, hardened 47-52 HRC (Hardened Rockwell ‘C’ Scale)	DN20 – DN100 1.4021 or for DN125 – DN150 CA15
6	Spring	Standard	Chrome-vanadium alloy steel
		For temperatures above 230°C	Tungsten alloy steel
7	Guide plate		SG iron	GJS-400-15
8	Skirt		Stainless steel	DN20 – DN100 1.4301 or for DN125 – DN150 1.4308
9	Stem		Stainless steel	1.4021
10	Body bolts		Steel	CK35