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HAWS Emergency Mixing Valve: 12 gpm Max Flow Rate, 1/2 in NPT x 3/4 in NPT, Eyewashes - Thermostatic Mixing Valves
HAWSThermostatic Mixing Valves

HAWS Emergency Mixing Valve: 12 gpm Max Flow Rate, 1/2 in NPT x 3/4 in NPT, Eyewashes

The HAWS Emergency Mixing Valve (MPN TWBS.EWE) is a 1/2 in NPT x 3/4 in NPT thermostatic mixing valve for eyewashes, with a 12 gpm max flow rate and a cold water bypass feature. Constructed in brass, it is designed…

SKU 3G-OTH-545468

Brand
HAWS
Item
Emergency Mixing Valve: 12 gpm Max Flow Rate, 1/2 in NPT x 3/4 in NPT, Eyewashes
Category
Thermostatic Mixing Valves
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Technical Specifications

HAWS
Manufacturer Part Number
TWBS.EWE
Type
1/2 in NPT x 3/4 in NPT, Eyewashes, Brass
For Use With
Eyewashes
Valve Features
Cold Water Bypass
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HAWS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAWS Emergency Mixing Valve (MPN TWBS.EWE) is a 1/2 in NPT x 3/4 in NPT thermostatic mixing valve for eyewashes, with a 12 gpm max flow rate and a cold water bypass feature. Constructed in brass, it is designed to deliver tempered water for emergency eyewash applications.

Frequently Asked Questions

What is the HAWS Emergency Mixing Valve used for?

The HAWS Emergency Mixing Valve (TWBS.EWE) delivers tempered water to emergency eyewash stations. It blends hot and cold water to a safe temperature, preventing thermal shock during prolonged flushing. The cold water bypass ensures consistent flow even if hot supply fails, critical for safety compliance in industrial and laboratory settings.

What are the specifications of the HAWS TWBS.EWE mixing valve?

The HAWS TWBS.EWE is a thermostatic mixing valve with 1/2 in NPT x 3/4 in NPT connections, a 12 gpm max flow rate, and a cold water bypass feature. It is constructed in brass and designed specifically for eyewash applications. The valve includes a cold water bypass to maintain tepid water delivery during hot water supply interruptions.

Where to buy the HAWS Emergency Mixing Valve worldwide?

3G Electric supplies the HAWS Emergency Mixing Valve (TWBS.EWE) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this thermostatic mixing valve for eyewash systems.

How to install a HAWS thermostatic mixing valve for eyewashes?

Install the HAWS TWBS.EWE valve in the supply line upstream of the eyewash station, following local plumbing codes. Ensure inlet connections match 1/2 in NPT hot and 3/4 in NPT cold supplies. The cold water bypass must be oriented correctly to function during hot water failure. Always test tempered water temperature before placing the eyewash in service.

Used in

Common applications for HAWS
Educational facilities — HAWS 1212S two-level drinking fountain with bottle filler for school corridors and cafeterias
Office buildings — HAWS 1211S single-level drinking fountain with bottle filler for break rooms and lobbies
Parks and recreation centers — HAWS 1152 non-refrigerated drinking fountain for outdoor pavilions and sports fields
Industrial plants — HAWS 1210SF bottle filling station for hydration stations in manufacturing areas
Healthcare facilities — HAWS 1001HS in-wall drinking fountain with bottle filler for patient waiting areas
Transportation hubs — HAWS 2000HSSM non-refrigerated bottle filler for train stations and airport terminals

HAWS Products

3G Electric supplies HAWS thermostatic mixing valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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HAWS Emergency Mixing Valve: 78 gpm Max Flow Rate, 2 in NPT x 2 in NPT, Eyewashes/Showers, Brass (MPN TWBS.HF). Key specifications — For Use With: Showers; Valve Features: Cold Water Bypass; Brand: HAWS.
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