Fig175_Three_Way_Vent_Cock_Nabic_RedBG_v1.jpg
Fig175_Three_Way_Vent_Cock_Nabic_RedBG_v1.jpg FIG-175_three-way-vent-cock_Nabic_RedBG_v2.jpg Fig.175_three-way-vent-cock_Nabic_RedBG_v3.jpg Fig.175_three-way-vent-cock_Nabic_RedBG_v4.jpg

Fig 175 3 Way Vent Cock

The NABIC Fig 175 Three Way Vent Cock has been designed for use on vented hot water systems, to ensure there is a permanent connection from the boiler or calorifier to atmosphere.

This valve allows the use of a single common vent pipe and permits continued operation of the system whilst maintenance is carried out on an individual unit

  • Boiler connection permanently open
  • No water loss on change over
  • Dezincification materials
Product Features +

Medium: Hot water

Size Range: DN20 - DN65

Max Pressure: 7 bar

Material: Gunmetal

Temperature: -20 to 100°C

Connection: Female

Pipe Connections

Female end connections BSP to BS EN 10226-1. : Rp 3/4", Rp 1", Rp 1 1/4", Rp 1 1/2", Rp 2", Rp 2 1/2".

Testing

All valves are 100% production tested.

Product Extras

  • DN65 available with flanged boiler and vent connections

Materials

ITEM NO. PART NAME MATERIAL
1 Body BS EN 1982:1999 CB491K
2 Plug BS EN 1982:1999 CB491K
3 Packing Approved Type
4 Stud BS EN 12164:1999 CW609N
5 Gland BS EN 1982:1999 CB491K
6 Nut BS EN 12164:1999 CW609N

 

Dimensional Drawing

Fig 175 Dimensional Drawing

Dimensions & Weights

SIZE DN Rp BSP
Inlet / Outlet
A (mm) B (mm) C (mm) D (mm) WEIGHTS (kg)
20 3/4" 95 38 80 32 1.40
25 1" 108 46 95 35 2.0
32 1 1/4" 127 59 103 43 3.20
40 1 1/2" 146 67 120 54 4.80
50 2" 165 78 146 61 8.20
65 2 1/2" 181 89 175 70 11.30
65 Flg Flange 205 89 175 70 16

 

Downloads +
Buy Online +

Fig 175 3 Way Vent Cock

  • Online ordering is only available in the UK and Northern Ireland
  • Customers can only order up to 5 of any one product line. For larger orders please call us on 01462 443 278
  • Please note: if ordering a stock product with a longer lead time product (e.g. 7 to 10 days or 3 to 4 weeks) they will be sent as a combined shipment when ready, unless purchased as separate orders.

View Delivery, Returns & Refund Details

Part Number Size Ex Vat Stock Status More
DN20 £ 191.59 7 - 10 days +
3/4" BSPP Boiler, Vent and Drain Connections to BS21
DN25 £ 245.94 7 - 10 days +
1" BSPP Boiler, Vent and Drain Connections to BS21
DN32 £ 328.39 7 - 10 days +
1.1/4" BSPP Boiler, Vent and Drain Connections to BS21
DN40 £ 412.98 7 - 10 days +
1.1/2" BSPP Boiler, Vent and Drain Connections to BS21
DN50 £ 593.99 7 - 10 days +
2" BSPP Boiler, Vent and Drain Connections to BS21.
DN65 £ 751.61 7 - 10 days +
2.1/2" BSPP Boiler, Vent and Drain Connections to BS21
DN65 Flanged & Screwed £ 1,308.89 7 - 10 days +
2.1/2" BSPP Drain Connection - Boiler & Vent Connections Flanged (BS4504 PN6 or PN16)

Set Required Pressure

Please type your required set pressure from 7.0 to 7.0. Pressure settings can be in 0.1 increments.
Please check set pressure charts on Discharge Capabilities section.

Price £191.59

You must select a value for all options provided.

What our customers say

The reason I went to NABIC was because we have to meet certain water regulations. After a chat with Northumbrian Water, they suggested looking into NABIC products as they are WRAS approved and suitable to use on all potable water applications.

I went direct and bought 4 pipe interrupters with next day delivery, which have been installed in our on-site laboratory. My user experience was great and I liked the fact that site has all the necessary specifications and prices easily to hand.

Peter Bauckham - Managing Director, Argos Inspection

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