2" Fig 500L Safety Valve

Excl. VAT:	£1,534.52
Incl. VAT:	£1,841.42
Brand:	Nabic
Product Code:	NAB-500L-50
Quantity:

2" Fig 500L Nabic Safety Valve - DN50
2" BSPP Female Inlet x 2 1/2" BSPP Female Outlet
This valve has been designed primarily for use on unvented hot water heating systems, where a high capacity, emergency steam relief capability is required.

High capacity and resilient PTFE seating, also make it ideal for Hot water, steam, compressed air, inflammable liquids and inert gasses, Co2 (to 20°C), ethylene glycol, potable water

Features
Resilient PTFE Seating Design
High Degree of Seat Tightness
Suitable for hot water, steam and air
High discharge capacity
Diaphragm protected working parts
Safe manual testing
Easy inspection & cleaning
Pressure setting locked and sealed
Padlock available
Body material – Gunmetal
Available with Viton seat design

Approved and Certified in Accordance with
Pressure Equipment Directive 92/23/EC (PED)
BS EN ISO 4126-1
WRAS
ISO 9001:2000

Pressure & Temperature Ratings

Max Set Pressure	Max Temperature
0.4 - 12.5 bar	-20°C to 195°C

Dimensions & Weights

SIZE DN	Rp BSP Inlet	Rp BSP Outlet	A (mm)	B (mm)	C (mm)	Weight (Kg)
50	2"	2 1/2"	76	47	267	7.00

Materials

Ref No	Name of Part	Material
1	Leak Proof Dome	Bronze, BS EN 1982 CC491K
2	Locknut	Brass, BS EN 12164 CW609N
3	Dome 'O' Ring	Viton
4	Spring	Chrome Vandium Alloy Steel, BS 2803 735 A50 HS (Stainless Steel, BS 2056 302S26 Opt)
5	Label	Yellow kapton
6	Spring Cover	Bronze, BS EN 1982 CC491K
7	Piston	Brass, BS EN 12164 CW609N
8	Cover Seal	Viton
9	Seat Seal Holder	Bronze, BS EN 1982 CC491K / Brass BS EN 12164 CW602N (DZR)
10	Seat Seal	PTFE (Viton Opt)
11	Starlock Washer	Stainless Steel
12	Body	Bronze, BS EN 1982 CC491K
13	Adjusting Screw	Brass, BS EN 12164 CW609N
14	Spring Plate	Brass, BS EN 12164 CW609N
15	Spindle	Brass, BS EN 12164 CW721R
16	Seat Seal Retaining Plate	Bronze, BS EN 1982 CC491K / Brass BS EN 12164 CW602N (DZR)
17	O-Ring	Viton