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STAD ZERO – NPT threads

STAD ZERO – NPT threads

Balancing valve size 1/2" - 2", made of lead-free brass (less than 0.1% lead)

The STAD ZERO balancing valve delivers accurate hydronic performance in an impressive range of applications. Ideally suited for use on the secondary side in heating and cooling systems, and potable water systems. The STAD ZERO is a lead-free product (<0.1% lead content) specially designed to address local environmental demands and is certified to NSF/ANSI 61 and NSF/ANSI 372 for domestic hot water systems.
Technical SpecificationsSTAD_ZERO_NPT_US_low.pdf

Product branding

imi_ta

Features and Benefits

ZERO lead
Product made of lead-free brass (<0.1% lead content).

High accuracy for all settings
Ensure accurate balancing and flow reading.

Handwheel
Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing. Positive shut-off function for easy maintenance.

Self-sealing measuring points
For simple, accurate balancing.

Applications

Tap water systems

Heating (not steam) and cooling systems.

Functions

Balancing

Draining

Measuring

Presetting

Shut-off

Temperature

Max. working temperature: 248°F

Min. working temperature: -4°F

Media

Water or neutral fluids, water-glycol mixtures (0-57%).

Marking

Body: IMI, TA, PN 25/400 WWP, DN and inch size. Size 2" also CE.
Handwheel: TA, STAD* ZERO and size. White id-tag.

Connection

Internal thread NPT according to ANSI/ASME B1.20.1-1983.

Material

Valve body and bonnet: Brass CC768S
Sealing (body/bonnet): EPDM O-ring
Valve plug: Brass CW724R (CuZn21Si3P)
Seat seal: EPDM O-ring
Spindle: Brass CW724R (CuZn21Si3P)
Slip washer: PTFE
Spindle seal: EPDM O-ring
Spring: Stainless steel 1.4310
Handwheel: Polyamide and TPE

Measuring points: Brass CW724R (CuZn21Si3P)
Sealings: EPDM
Caps: Polyamide and TPE

Draining (accessory):
Body: Brass CC768S
Sealing: EPDM
Gaskets: Fiber-based aramid

Approvals

Approved by IAPMO R&T
NSF/ANSI 61 certified
NSF/ANSI 372 certified

The table below assists you in finding the relevant product based on its variant. For more details, please download the datasheet above.