Description
Technical Data Sheet
Needle Valve – Monel Body – Butt Welding Ends
Product Name: Monel Alloy Butt Weld Needle Valve
- General Information
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Item
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Specification
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Valve Type
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Needle Globe Valve
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Body Material
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Monel Alloy (Monel 400 / UNS N04400)
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Connection Type
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Butt Welding (BW)
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Nominal Size
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DN6, DN10, DN15, DN20, DN25 (1/4” to 1”)
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Pressure Class
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Class 1500LB ~ 2500LB / PN 320
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Medium Suitability
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Seawater, alkaline media, dilute hydrochloric acid, oil & gas, corrosive media
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Operating Temperature
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-50°C to +350°C (depending on sealing material)
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- Design Standards & Specifications
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Item
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Standard
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Design & Manufacturing
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ASME B16.34, API 602, GB/T 12224
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Face-to-Face / End-to-End
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ASME B16.10, GB/T 12221
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Butt Weld End Dimensions
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ASME B16.25 (Bevel preparation as per client request)
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Inspection & Testing
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API 598, JB/T 9092
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- Main Component Materials
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Part Name
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Material Type
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Material Standard / Grade
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Body
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Monel Alloy
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Monel 400 (UNS N04400)
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Bonnet
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Monel Alloy
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Monel 400 (UNS N04400)
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Disc / Needle Tip
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Monel / Alloy Steel
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Monel 400 / 17-4PH (with Stellite facing)
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Stem
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Monel / PH Stainless Steel
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Monel K-500 / 17-4PH
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Packing
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Flexible Graphite / PTFE
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/
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Handwheel
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Carbon Steel / Malleable Iron
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/
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- Technical Parameters & Dimensions (Reference)
**Butt Weld Needle Valve (Type J61W) – Main Dimensions **
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Nominal Size (DN)
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Weld End O.D. (D) mm
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Overall Length (L) mm
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Height (H) mm
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Nominal Pressure (PN)
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Working Pressure
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DN6
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14 mm
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60 – 80
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90 – 110
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320
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32.0 MPa
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DN10
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18 mm
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90 – 110
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110 – 130
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320
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32.0 MPa
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DN15
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22 mm
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110 – 130
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130 – 150
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320
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32.0 MPa
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DN20
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28 mm
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120 – 140
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150 – 180
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320
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32.0 MPa
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DN25
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34 mm
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140 – 160
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170 – 200
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320
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32.0 MPa
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Note: The above dimensions are for reference only. Actual dimensions should conform to the manufacturer’s certified drawings.
- Testing & Inspection
- Shell Test Pressure: 48.0 MPa (1.5 x Rated Pressure)
- High Pressure Seat Test: 35.2 MPa (1.1 x Rated Pressure)
- Air Tightness Test: 0.6 MPa
- Optional Features
- Disc/Needle Type: Conical Needle / Ball Type Disc
- Packing Type: Standard Packing / Bellows Seal (for severe conditions)
- Operation: Handwheel / Locking Device
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.