Applications: NABIC Liquid Relief Valves are intended for use where pressure tightness is required on the discharge side of the valve. They are ideal for use on pump relief and bypass relief applications, also on outside installations and where tamper proof units are required. Available options are: Stainless Steel springs, high pressure versions and viton seat design. Construction: The valves are of gunmetal construction with top guided copper alloy parts, fitted with chrome vanadium spring as standard they also incorporate the proven NABIC PTFE to metal seating design. O-Ring seals ensure pressure tightness at cover and cap joints. Note: Due to pressure setting and certification of this product normal delivery will be up to 5 working days, manufacturer’s stock permitting. Features: High degree of seat tightness. Designed and tested to BS 6759. WRAS approved for use on potable water. Certified discharge tables. Request Tech Sheet No. 1400 for Technical Information.
BSPP, Liquid Relief Valves (Fig 542L), Safety Valves
From: £311.81
Select Size & Qty Options| Part Number | Thread Size | Set Pressure In Bar | List Price | 1-9 Price | 10+ Price | Quantity |
|---|---|---|---|---|---|---|
| 542L-15-1 | 1/2" | 1 | £372.86 | £352.53 | ||
| 542L-15-1.5 | 1/2" | 1.5 | £372.86 | £352.53 | ||
| 542L-15-2 | 1/2" | 2 | £372.86 | £352.53 | ||
| 542L-15-2.5 | 1/2" | 2.5 | £372.86 | £352.53 | ||
| 542L-15-3 | 1/2" | 3 | £372.86 | £352.53 | ||
| 542L-15-3.5 | 1/2" | 3.5 | £372.86 | £352.53 | ||
| 542L-15-4 | 1/2" | 4 | £372.86 | £352.53 | ||
| 542L-15-4.5 | 1/2" | 4.5 | £311.81 | £284.46 | ||
| 542L-15-5 | 1/2" | 5 | £372.86 | £352.53 | ||
| 542L-15-6 | 1/2" | 6 | £372.86 | £352.53 | ||
| 542L-15-7 | 1/2" | 7 | £372.86 | £352.53 | ||
| 542L-15-8.5 | 1/2" | 8.5 | £372.86 | £352.53 | ||
| 542L-15-10 | 1/2" | 10 | £372.86 | £352.53 | ||
| 542L-15-10.5 | 1/2" | 10.5 | £372.86 | £352.53 | ||
| 542L-20-1 | 3/4" | 1 | £428.05 | £404.70 | ||
| 542L-20-1.5 | 3/4" | 1.5 | £428.05 | £404.70 | ||
| 542L-20-2 | 3/4" | 2 | £428.05 | £404.70 | ||
| 542L-20-2.5 | 3/4" | 2.5 | £428.05 | £404.70 | ||
| 542L-20-3 | 3/4" | 3 | £428.05 | £404.70 | ||
| 542L-20-3.5 | 3/4" | 3.5 | £428.05 | £404.70 | ||
| 542L-20-5 | 3/4" | 5 | £428.05 | £404.70 | ||
| 542L-20-6 | 3/4" | 6 | £428.05 | £404.70 | ||
| 542L-20-6.5 | 3/4" | 6.5 | £428.05 | £404.70 | ||
| 542L-20-7 | 3/4" | 7 | £428.05 | £404.70 | ||
| 542L-20-8 | 3/4" | 8 | £428.05 | £404.70 | ||
| 542L-20-9 | 3/4" | 9 | £428.05 | £404.70 | ||
| 542L-20-10 | 3/4" | 10 | £428.05 | £404.70 | ||
| 542L-25-1 | 1" | 1 | £566.22 | £535.33 | ||
| 542L-25-1.5 | 1" | 1.5 | £566.22 | £535.33 | ||
| 542L-25-2 | 1" | 2 | £566.22 | £535.33 | ||
| 542L-25-2.5 | 1" | 2.5 | £566.22 | £535.33 | ||
| 542L-25-3 | 1" | 3 | £566.22 | £535.33 | ||
| 542L-25-3.5 | 1" | 3.5 | £566.22 | £535.33 | ||
| 542L-25-4 | 1" | 4 | £566.22 | £535.33 | ||
| 542L-25-5 | 1" | 5 | £566.22 | £535.33 | ||
| 542L-25-6 | 1" | 6 | £566.22 | £535.33 | ||
| 542L-25-7 | 1" | 7 | £566.22 | £535.33 | ||
| 542L-25-8 | 1" | 8 | £566.22 | £535.33 | ||
| 542L-25-10 | 1" | 10 | £566.22 | £535.33 | ||
| 542L-25-10.5 | 1" | 10.5 | £566.22 | £535.33 | ||
| 542L-32-3 | 1.1/4" | 3 | £627.15 | £572.14 | ||
| 542L-32-4 | 1.1/4" | 4 | £779.89 | £737.35 | ||
| 542L-32-8 | 1.1/4" | 8 | £779.89 | £737.35 | ||
| 542L-32-10 | 1.1/4" | 10 | £779.89 | £737.35 | ||
| 542L-32-10.5 | 1.1/4" | 10.5 | £779.89 | £737.35 | ||
| 542L-40-1.5 | 1.1/2" | 1.5 | £1,044.79 | £987.80 | ||
| 542L-40-2.5 | 1.1/2" | 2.5 | £1,044.79 | £987.80 | ||
| 542L-40-5 | 1.1/2" | 5 | £1,044.79 | £987.80 | ||
| 542L-40-6 | 1.1/2" | 6 | £1,044.79 | £987.80 | ||
| 542L-40-7 | 1.1/2" | 7 | £1,044.79 | £987.80 | ||
| 542L-40-10 | 1.1/2" | 10 | £1,044.79 | £987.80 | ||
| 542L-50-1.5 | 2" | 1.5 | £1,318.38 | £1,246.47 | ||
| 542L-50-2 | 2" | 2 | £1,318.38 | £1,246.47 | ||
| 542L-50-4 | 2" | 4 | £1,318.38 | £1,246.47 | ||
| 542L-50-7.5 | 2" | 7.5 | £1,318.38 | £1,246.47 | ||
| 542L-50-8.5 | 2" | 8.5 | £1,318.38 | £1,246.47 | ||
| 542L-50-9.5 | 2" | 9.5 | £1,318.38 | £1,246.47 | ||
| 542L-50-10 | 2" | 10 | £1,318.38 | £1,246.47 | ||
| 542L-50-10.5 | 2" | 10.5 | £1,318.38 | £1,246.47 | ||
| 542L-65-2 | 2.1/2" | 2 | £1,851.48 | £1,750.49 | ||
| 542L-65-3 | 2.1/2" | 3 | £1,851.48 | £1,750.49 | ||
| 542L-65-3.5 | 2.1/2" | 3.5 | £1,851.48 | £1,750.49 | ||
| 542L-65-5 | 2.1/2" | 5 | £1,851.48 | £1,750.49 | ||
| 542L-80-4.5 | 3" | 4.5 | £2,650.61 | £2,506.03 | ||
| 542L-80-7 | 3" | 7 | £2,650.61 | £2,506.03 |
What Shipping Methods Are Available?
Shipping Options
Free Delivery (Basket value of £150+) 2-3 days £0.00
Free Delivery is available on a 2-3 day Standard Delivery, an option is available to upgrade to a Next Day delivery for £12.50
Standard Delivery 2-3 days £10.00
Next Day Delivery Next Working Day £12.50
Order by 3pm Monday to Friday for next day delivery, Mainland UK. Hoses Direct will aim to ship all items on a next day delivery service when ordered by 3pm, Monday to Friday. After this time and over weekends and bank holidays, your order will be processed on the next working day. Your order will be couriered by Interlink Express or FedEx, on a signed upon delivery service.
If your order contains a custom item or a custom made hose assembly, your order may take an additional 1-4 days to manufacture and ship.
Heavy items such as swagers and long length items such as steel tube will incur additional carriage charges. These fees will be calculated at checkout.
Free Delivery 2-3 days (unless upgraded at checkout)
Standard Delivery 2-3 days
Next Day Delivery Next Working Day
We are unable to offer an express delivery to the following postcodes: AB, BT, DD, FK, HS, IV, KA, KW, KY, PA, PH and ZE. As these postcodes are not included within zones A & B, they will incur an additional surcharge which will be applied at checkout. Please allow an additional 3 working days on deliveries within the postcodes stated.
