Fixed Orifice Balancing Valve | 9519 Series | Solder x Solder | With Test Points
$69.00
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Upgrade your hydronic system with the 9519 Fixed Orifice Static Balancing Valve, a premium, solder-joint valve designed for reliable, high-efficiency flow balancing. Crafted from DZR brass (UNS C35330) and engineered to BS7350 standards, this valve ensures accurate regulation, minimal maintenance, and long-lasting durability—even under demanding conditions.
🔧 Key Features:
-
Venturi Insert for Accurate Flow Measurement
Built-in Venturi ensures consistent pressure drop for accurate ΔP readings and flow calculations. -
Positive Shut-Off with Memory Stop
Lock-in precision flow settings with multi-turn adjustment (4+ full turns), ideal for commissioning and future service. -
Solder Joint Ends
Compliant with ASME B16.22, this model is optimized for solder installations in closed-loop systems. -
High-Temperature Operation
Operates from 15°F to 260°F, suitable for glycol-treated chilled or hot water systems. -
Test Points Included
EPDM-peroxide gasketed pressure test points included for both high and low-pressure readings. -
Dezincification Resistant Brass (DZR)
Built to resist corrosion and extend lifespan in aggressive water conditions. -
Meets BAA Requirements
Suitable for federal projects with Buy American Act compliance.
📏 Technical Specifications:
- Body Material: DZR Brass (UNS C35330)
- Pressure Rating: 300 WOG
- Flow Range (½" to 2”): 0.12 – 55.63 GPM
- Handwheel Adjustment Range: Cv varies by size and preset – up to 34.36 GPM/√psi
- Temperature Range: 15°F to 260°F
- Ends: Solder (ASME B16.22)
📘 Common Applications:
- HVAC hydronic heating/cooling systems
- Fan coil units
- Chilled water loops
- Radiant floor heating
- Terminal unit balancing
⚠️ Important Safety Note:
This product contains materials known to the State of California to cause cancer and reproductive harm. Please refer to P65Warnings.ca.gov for more details.
Dimension, Weight
Size | N | ΦC¹ [in] | H [in] | L² [in] | B² [in] | Weight² [lb] | Flow range [GPM] |
---|---|---|---|---|---|---|---|
X-½" | ½ - 14 NPT | 0.627-0.631 | 4.06 | 3.46/3.74 | 0.71/0.55 | 1.23/1.16 | 0.12-0.36 |
U-½" | ½ - 14 NPT | 0.627-0.631 | 4.06 | 3.46/3.74 | 0.71/0.55 | 1.23/1.16 | 0.27-0.71 |
L-½" | ½ - 14 NPT | 0.627-0.631 | 4.06 | 3.46/3.74 | 0.71/0.55 | 1.23/1.16 | 0.49-1.17 |
½" | ½ - 14 NPT | 0.627-0.631 | 4.06 | 3.46/3.74 | 0.71/0.55 | 1.23/1.16 | 0.98-2.35³ |
¾" | ¾ - 14 NPT | 0.877-0.881 | 4.06 | 3.78/4.18 | 0.75/0.76 | 1.43/1.34 | 2.19-5.15³ |
1" | 1 - 11.5 NPT | 1.128-1.131 | 4.06 | 3.94/4.57 | 0.89/0.92 | 1.73/1.55 | 4.09-9.56³ |
1¼" | 1¼ - 11.5 NPT | 1.378-1.381 | 4.85 | 4.63/5.28 | 0.98/0.98 | 2.78/2.53 | 8.56-19.81³ |
1½" | 1½ - 11.5 NPT | 1.628-1.632 | 4.94 | 5.00/5.90 | 0.98/1.10 | 3.50/3.16 | 12.84-29.80³ |
2" | 2 - 11.5 NPT | 2.128-2.132 | 5.34 | 5.72/6.73 | 1.15/1.35 | 4.80/4.46 | 24.09-55.63³ |
Material
Part | Material | Specification |
---|---|---|
1 | Body | DZR Brass UNS C35330 |
2 | Venturi insert | DZR Brass UNS C35330 |
3 | Balancing cone | DZR Brass UNS C35330 |
4 | Gasket disc | PTFE |
5 | Disc¹ | DZR Brass UNS C35330 |
6 | Disc O-ring¹ | EPDM Perox |
7 | Shutter | DZR Brass UNS C35330 |
8 | Stem O-ring | EPDM Perox |
9 | Union¹ | DZR Brass UNS C35330 |
10 | Stem | Brass ASTM B124 C37700 |
11 | Bonnet | DZR Brass ASTM C35330 |
12 | Stop spring ring | Spring steel |
13 | Screw | Steel |
14 | Handwheel | ABS (blue) |
15 | Nut | Steel / Zn plated |
16 | Test point | DZR Brass² UNS C35330 |
¹ Only on 1½", 1½" and 2"
² Test points with EPDM Perox gaskets and polypropylene ties