1/2" Fig 500 Safety Valve

Excl. VAT:	£217.19
Incl. VAT:	£260.63
Brand:	Nabic
Product Code:	NAB-500-15
Quantity:

1/2" Fig 500 Nabic Safety Valve - DN15
1/2" BSPP Female Inlet x 3/4" 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 and inert gasses, Co2 (to 20°C), ethylene glycol and potable water

Features
Resilient PTFE Seating Design
High Degree of Seat Tightness
Suitable for hot water, steam and air
High discharge capacity
Diaphragm protected parts
Safe manual testing
Easy inspection & cleaning
Pressure setting locked and sealed
Body material – Gunmetal
Screwed inlet and outlet connection

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

Pressure & Temperature Rating

Set Pressure	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)
15	1/2"	3/4"	33	20	120	0.53

Materials

Ref No	Name of Part	Material
1	Thrust Washer	Brass, BS EN 12164 CW609N
2	Grubscrew	Steel
3	Test Lever	Brass, BS EN 1982 CC754S
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	Diaphragm	Silicon Rubber
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	Lever Pin	Steel
14	Lead Seal (Not shown)	Lead
15	Adjusting Screw	Brass, BS EN 12164 CW609N
16	Spring Plate	Brass, BS EN 12164 CW609N
17	Spindle	Brass, BS EN 12164 CW721R
18	Seat Seal Retaining Plate	Bronze, BS EN 1982 CC491K / Brass BS EN 12164 CW602N (DZR)
19	O-Ring	Viton