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HAWS TWBS.EWE Thermostatic Mixing Valve - Thermostatic Mixing Valves
HAWSThermostatic Mixing Valves

HAWS TWBS.EWE Thermostatic Mixing Valve

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

Also listed as: TWBSEWE · TWBS EWE · TWBS-EWE

Brand
HAWS
Item
TWBS.EWE Thermostatic Mixing Valve
Part Number
TWBS.EWE
Category
Thermostatic Mixing Valves
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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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
Chemical processing plants — Haws 8315CTFP heat-traced shower with eyewash for freeze protection in hazardous areas
Petrochemical refineries — Haws 8317CTFP stainless steel piping for corrosive atmospheres and explosive environments
Industrial manufacturing — Haws 8336 AXION MSR floor-mount shower with plastic construction for corrosion resistance
Laboratories — Haws 9037 Tyvek privacy curtain for visual privacy and splash containment at shower stations
Outdoor installations — Haws 9035 three-sided aluminum enclosure for weather protection and privacy
Maintenance departments — Haws 9091 and 9095 dust caps to protect eyewash spray heads from debris
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
HAWS
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This valve is designed for use in freeze-resistant floor-mount emergency showers with eyewash stations. It features dual 1 1/4 in NPT connections and controls water flow in safety systems requiring reliable operation in cold environments
HAWS
HAWS
Valve for freeze-resistant floor-mount showers with eyewash, featuring 1 1/4 in NPT connections. Controls water flow in emergency safety stations for reliable operation in cold environments
HAWS
HAWS
The HAWS MK8A.60 is a 3/4 in NPT valve designed for use in freeze-resistant floor-mount emergency safety showers with eyewash. It controls water flow in systems that must remain operational in cold environments, ensuring reliable decontamination when needed

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