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.
Features & 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.
Technical Information
Application:
Heating (not steam) and cooling systems.
Potable water systems.
Functions:
Balancing
Pre-setting
Measuring
Shut-off
Draining (accessory)
Dimensions:
1/2" - 2"
Pressure class:
PN 25 (400 WWP)
Temperature:
Max. working temperature: 248°F
(intermittent 302°F)
Min. working temperature: -4°F
Media:
Water or neutral fluids, water-glycol mixtures (0-57%).
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
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.
Approvals:
Approved by IAPMO R&T
NSF/ANSI 61 certified
NSF/ANSI 372 certified
Articles
Drain can be installed during operation.
Without drain
Drain can be installed during operation.
Internal NPT threads. Threads according to ANSI/ASME B1.20.1-1983.
Size | D | L [in] | H [in] | Cvs | Weight [lb] | Article No ** North America | Article No International |
1/2" | 1/2 NPT | 3.31 | 3.94 | 2.96 | 1.0 | 52 863-615 | - |
3/4" | 3/4 NPT | 3.70 | 3.94 | 6.23 | 1.2 | 52 863-620 | - |
1" | 1 NPT | 4.13 | 4.13 | 9.93 | 1.5 | 52 863-625 | - |
1 1/4" | 1 1/4 NPT | 4.76 | 4.13 | 16.4 | 2.2 | 52 863-632 | - |
1 1/2" | 1 1/2 NPT | 4.96 | 4.72 | 22.3 | 3.1 | 52 863-640 | - |
2" | 2 NPT | 6.10 | 4.72 | 37.3 | 4.4 | 52 863-650 | - |
**) Distributed by Victaulic.
→ = Flow direction
Cvs = gpm at a pressure drop of 1 psi and fully open valve.
NOTE: In apps and balancing instrument the STAD ZERO is named STAD*.
Can be installed during operation.For valves with a sleeve, in metal or plastic, on measuring point.
Draining kit STAD
Can be installed during operation.
For valves with a sleeve, in metal or plastic, on measuring point.
d | EAN | Article No ** North America | Article No International |
UNS 1 1/16" x 11.5 | 7318792815102 | 52 167-997 | 52 179-997 |
**) Distributed by Victaulic.
