Goetze 618T, Pressure Relief Valve, Adjustable 0.2-12 Bar, Gunmetal Bodied, 3/8" to 2" BSP

Goetze 618T, Gunmetal Bodied, Adjustable Pressure-Relief Valves

Popular for use on ring mains for heating oil burners where a line pressure needs to be maintained upstream of Pressure Regulating Valves at the burner entry points. The valves are available in 3 different setting rangess, 0.2-0.8 Bar, 0.5-2.5 Bar, 2.0-12.0 Bar, and 12.0-20.0 Bar

Piston has a face-seal, therefore would not be suitable for media which dries "sticky" such as tar, as this could cause the seal to pull out or glue the valve closed. For applications with sticky substances, use our W.L.Hamilton Pressure Relief Valves

Maximum Temperature subject to seal selected - Max PTFE 225°c

Maximum Pressure subject to seal selected - Max PTFE 12-20 Bar.

Price shown are for all seal types, EXCLUDING PTFE 12-20 Bar, this seal is at extra cost, contact us for pricing. Enter your seal choice in the comments box at checkout.

A quality product manufactured in the Germany.

Seal Secification
Material	Minimum Temperature	Maximum Temperature
NBR	-30°c	+130°c
FKM	-20°c	+200°c
PTFE 0.2-12 Bar	-60°c	+225°c
PTFE 12-20 Bar	-60°c	+225°c

Wetted components
Inlet Body	Gunmetal
Outlet Body	Gunmetal
Internal Parts	Brass / Gunmetal
Spring	Stainless Steel AISI 301
Seal	EITHER: Nitrile (NBR), Viton (FKM), or Teflon (PTFE).
Thread Type	BSP (ISO)

Weights & Dimensions
Nominal Diameter	DN	10	15	20	25	32	40	50
Connection	DIN EN ISO 228	3/8"	1/2"	3/4"	1"	1.25"	1.5"	2"
Outlet	DIN EN ISO 228	3/8"	1/2"	3/4"	1"	1.25"	1.5"	2"
Dimensions	L	27	29	34	42	46	51	60
	H	66	74	83	100	117	136	146
	h	26	30	35	43	46	52	61
	SW	24	28	34	41	52	58	70
	do	10	13	19	25	30	38	50
Weight	Kg	0.3	0.4	0.7	1.2	1.9	2.5	3.8
Set Pressure	Bar	0.2-20	0.2-20	0.2-20	0.2-20	0.2-20	0.2-20	0.2-20
Range of Adjustment	Bar	0.2-0.8	0.2-0.8	0.2-0.8	0.2-0.8	0.2-0.8	0.2-0.8	0.2-0.8
	Bar	0.5-2.5	0.5-2.5	0.5-2.5	0.5-2.5	0.5-2.5	0.5-2.5	0.5-2.5
	Bar	2-12	2-12	2-12	2-12	2-12	2-12	2-12
	Bar	12-20	12-20	12-20	12-20	12-20	12-20	12-20

Download Goetze 618T Pressure Relief Valve - Technical Spec PDF