Pioneer Industries manufactures compact Stainless Steel Integrated Bonnet Needle Valves with Male to Female threaded end connections. Combining the leak-tight safety of an integral one-piece bar-stock body with the direct-mounting convenience of an external male inlet and internal female outlet, this valve eliminates intermediate hex nipples and reduces fugitive emission leak points. Rated up to 6,000 PSI (414 Bar) and 10,000 PSI (700 Bar), it is engineered for pressure gauge isolation, sampling manifolds, and pneumatic control panels.
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Stainless Steel High Pressure Needle Valve Female to Female features union bonnet or heavy-duty screwed bonnet connection with metal to metal or stellated seat for severe high pressure. Stem threads are precision rolled, hard plated, and tip stellated to prevent galling and ensure maximum service life. Engineered with a 2-part stem tip arrangement with packing located below the actuating threads, non-rotating action ensures bubble-tight shut-off.
End connections include Female to Female threaded NPT, BSP, ISO, DIN, and JIS tapered pipe ends. One-piece forged or bar stock body without welds eliminates thermal stress zones. Maximum Working Pressure: 10,000 PSI (400 to 700 Bar) at 200°C; 20,000 PSI (1,380 Bar) at 120°C. 100% Factory tested.
Port Sizes: 1/8″ to 1″ (and up to 2″). End Connections: Female to Female (NPT, BSPT, BSPP). Body Material: ASTM A479 SS 316 / 316L, Duplex 2205, Super Duplex 2507, Hastelloy C-276, Monel 400. Pressure Rating: Up to 10,000 PSI (700 Bar) / 20,000 PSI (1,380 Bar). Testing Standards: API 598 & MSS SP-99.
Explore comprehensive engineering dimensional configurations for Metric Series and Fractional Series, Operating Parameters, and Certified Metallurgy. Manufactured according to ASME B16.34, API 598, MSS-SP-99, and international instrumentation standards.
| Part No. | Nominal Size | Female End Connection | Orifice mm | Cv | L mm | H (Open) mm | W (Handle) mm | Working Pressure |
|---|---|---|---|---|---|---|---|---|
| PI-HPNV-FF-04M | 6 mm / 1/4″ | 1/4″ Female NPT | 4.8 | 0.45 | 62.0 | 85.0 | 55.0 | 700 Bar / 10,000 PSI |
| PI-HPNV-FF-06M | 10 mm / 3/8″ | 3/8″ Female NPT | 6.4 | 0.70 | 68.0 | 92.0 | 65.0 | 700 Bar / 10,000 PSI |
| PI-HPNV-FF-08M | 12 mm / 1/2″ | 1/2″ Female NPT | 8.0 | 1.10 | 76.0 | 104.0 | 75.0 | 700 Bar / 10,000 PSI |
| PI-HPNV-FF-12M | 20 mm / 3/4″ | 3/4″ Female NPT | 10.0 | 1.80 | 88.0 | 118.0 | 90.0 | 700 Bar / 10,000 PSI |
| PI-HPNV-FF-16M | 25 mm / 1″ | 1″ Female NPT | 12.7 | 2.40 | 105.0 | 135.0 | 110.0 | 700 Bar / 10,000 PSI |
| Part No. | Thread Size (Male × Female) | Orifice (in) | Cv | A (Length in) | B (Height in) | C (Handle in) | Pressure Rating |
|---|---|---|---|---|---|---|---|
| PI-IBNV-MF-02F | 1/8″ MNPT × 1/8″ FNPT | 0.078″ | 0.12 | 2.05″ | 2.28″ | 1.57″ | 6,000 PSI |
| PI-IBNV-MF-04F | 1/4″ MNPT × 1/4″ FNPT | 0.156″ | 0.35 | 2.28″ | 2.52″ | 1.85″ | 6,000 PSI |
| PI-IBNV-MF-06F | 3/8″ MNPT × 3/8″ FNPT | 0.250″ | 0.70 | 2.60″ | 2.91″ | 2.16″ | 6,000 PSI |
| PI-IBNV-MF-08F | 1/2″ MNPT × 1/2″ FNPT | 0.312″ | 1.20 | 3.07″ | 3.38″ | 2.56″ | 6,000 PSI |
| PI-IBNV-MF-12F | 3/4″ MNPT × 3/4″ FNPT | 0.312″ | 1.50 | 3.46″ | 3.78″ | 2.95″ | 6,000 PSI |
| PI-IBNV-MF-16F | 1″ MNPT × 1″ FNPT | 0.312″ | 1.90 | 4.01″ | 4.25″ | 3.15″ | 6,000 PSI |
| Operating Parameter | Standard Rating (10,000 PSI) | Ultra-High Pressure Rating (20,000 PSI) |
|---|---|---|
| Maximum Working Pressure | 10,000 PSI (700 Bar) at 200°C (392°F) | 20,000 PSI (1,380 Bar) at 120°C (248°F) |
| Hydrostatic Shell Test Pressure | 15,000 PSI (1,035 Bar) with demineralized water | 30,000 PSI (2,070 Bar) with demineralized water |
| Pneumatic Nitrogen Seat Test | 1,200 psig (80 Bar) zero-bubble seat leak test | 1,200 psig (80 Bar) nitrogen gas test |
| Operating Temperature Range | -54°C to 200°C (-65°F to 392°F) with PTFE Packing | -54°C to 500°C (-65°F to 932°F) with Grafoil Packing |
| Shutoff Leakage Rate | API 598 / MSS SP-99 / ISO 5208 Rate A (Bubble-Tight) | Optional Helium Mass Spec < 1 × 10⁻⁹ std cm³/s |
| Bonnet Architecture | Heavy-duty Union Bonnet with safety lock ring | Heavy-Duty Screwed Bonnet with security pin |
| Stem Tip Configuration | Two-part non-rotating hardened 17-4PH / Stellite Vee Tip | Stellite 6 / Tungsten Carbide severe throttling tip |
| Applicable Standards | ASME B16.34, MSS SP-99, API 598, BS 6755 | NACE MR0175 / ISO 15156 Sour Gas Service |
Pioneer Industries manufactures High Pressure Female-to-Female Needle Valves using certified ASTM bar stock and precision forgings:
| Component | Material Specification | Characteristics / Composition |
|---|---|---|
| Valve Body | ASTM A479 / A276 Grade 316 / 316L | One-piece weld-free bar stock, Cr 16-18%, Ni 10-14%, Mo 2-3% |
| Bonnet Nut & Flange | ASTM A479 316 / 316L Stainless Steel | Heavy-duty union design, high torsional load resistance |
| Actuating Stem | ASTM A479 316 / 17-4 PH Hardened | Rolled & hard-plated threads, mirror-burnished 16 RMS seal |
| Non-Rotating Tip | Stellite 6 / 17-4 PH Stainless Steel | Hardened metal-to-metal contact, anti-galling geometry |
| Gland Packing | PTFE Chevron / High-Temp Grafoil | Positioned below threads; Grafoil rated to 500°C |
| Handle & Lock Nut | Stainless Steel 304 T-Bar Handle | Ergonomic round or bar handle with locking screw |
Our manufacturing and quality verification strictly adhere to international engineering benchmarks:
Stainless Steel Integrated Bonnet Needle Valve Male to Female components are deployed across critical fluid systems requiring reliable flow control, high working pressure, and zero leakage.
Male inlet threads directly into pipe headers, eliminating pipe nipples and saving critical enclosure space.
Precision micro-flow metering of corrosion inhibitors, biocides, methanol, and glycol into high-pressure flowlines.
Zero-deadleg, ultra-fine flow control of carrier gases, analytical calibration standards, and sensitive sample streams.
Critical pressure control and shut-off in high-pressure hydraulic actuator circuits, WHCP panels, and ESD systems.
High-temperature Grafoil-packed configurations provide leak-free sampling and isolation on boiler headers and vessels.
Repetitive, high-cycle throttling and pressure venting on test benches, valve calibration stands, and charging manifolds.
Pioneer Industries’ Stainless Steel High Pressure Needle Valve Female to Female components are trusted across critical global industries for severe service reliability.
Expert engineering insights and technical guidance regarding pressure ratings, end connections, seat formulations, quality standards, and installation protocols for Stainless Steel Integrated Bonnet Needle Valve Male to Female.
A Stainless Steel Integrated Bonnet Needle Valve Male to Female is a compact flow control and isolation valve engineered with a single-piece integral body (no body-to-bonnet threaded or bolted joint) combined with an external male pipe thread on the inlet and an internal female pipe thread on the outlet. This unique union eliminates both the body-bonnet gasket leak path and the need for a separate male pipe nipple, making it the most compact, vibration-resistant, and leak-free valve for pressure gauge mounting and instrument take-off lines.
In standard instrument hookups, a female x female valve requires a male hex pipe nipple to screw into the process piping, creating two threaded pipe joints in addition to the valve's internal body-bonnet joint. The Male x Female integrated bonnet valve eliminates both the separate pipe nipple and the body-bonnet joint. This reduces the total potential leak points from three down to just one threaded joint, vastly improving fugitive emission control in compliance with ISO 15848-1 and EPA standards.
The standard series is rated for working pressures up to 6,000 PSI (414 Bar) at 200°C (392°F), with our heavy-wall bar-stock series rated up to 10,000 PSI (700 Bar). Operating temperatures with standard PTFE chevron packing range from -54°C to 232°C (-65°F to 450°F). For high-temperature process lines, optional PEEK or Grafoil packing allows continuous operation up to 315°C (600°F).
We manufacture Male to Female needle valves in standard port sizes from 1/8″ to 1″ (3 mm to 25 mm). Thread specifications include NPT (ASME B1.20.1), BSPT (ISO 7/1 taper), and BSPP (ISO 228/1 parallel). Common configurations include equal sizes (such as 1/2″ MNPT × 1/2″ FNPT) or reducing combinations (such as 1/2″ MNPT inlet × 1/4″ FNPT outlet for direct gauge mounting without reducing bushings).
The valve features cold-rolled stem threads burnished to a 16 RMS mirror finish for low-friction, gall-resistant actuation. We offer three stem tip options: (1) Vee Tip for positive metal-to-metal bubble-tight shut-off; (2) Regulating Tip for precise, linear micro-flow metering; and (3) Soft Tip (PCTFE/Delrin) for critical gas systems requiring zero-leakage shut-off with minimal closing torque.
Yes, this valve is engineered specifically for direct installation into high-vibration equipment such as reciprocating compressors, hydraulic power units (HPUs), pump discharge manifolds, and pipeline sampling points. Its solid one-piece construction prevents mechanical loosening or stress fracturing under continuous cyclic vibration.
The valve is equipped with an external hex packing nut situated above the body. When routine thermal cycling or high cycle counts cause minor packing relaxation, technicians can simply tighten the external nut with a standard wrench while the valve is pressurized in the line, immediately restoring gland compression without process downtime.
Standard construction is in dual-certified ASTM A479 / ASME SA479 Grade 316/316L stainless steel. For severe marine, offshore, and acidic environments, we also manufacture in Duplex 2205 (UNS S31803), Super Duplex 2507 (UNS S32750), Hastelloy C-276, and Monel 400. All valves are certified to NACE MR0175 / ISO 15156 and dispatched with EN 10204 3.1 Material Test Reports.
Every valve is 100% factory inspected in Mumbai. Testing includes hydrostatic shell proof testing at 1.5× working pressure, seat testing per API 598 and MSS-SP-99, and pneumatic seat leakage testing using dry nitrogen at 1,200 PSI (80 Bar) to verify zero bubble leakage across the seat and stem gland.
As a direct manufacturer, Pioneer Industries provides factory-direct pricing with no trading markups, an MOQ of just 1 piece, custom laser marking and tagging, rapid export packing in seaworthy wooden crates, and fast dispatch to over 85 countries worldwide.
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Note: Please note that the information on this document is for illustration purposes only as information may vary with individual products, their grade and applications industries or uses and therefore cannot be guaranteed as accurate. © Copyright 2026 by Pioneer Industries. All Rights Reserved.
