• 24 Aug 2025

Flange Ball Valve Gauge Types, Price, Available at Wholesalers, Traders

Flange ball valves are essential components in piping systems where reliable isolation, quick operation and low maintenance are required. This detailed guide breaks down the common gauge types used with flange ball valves, pricing considerations, specification tables, and where to source them in bulk — wholesalers and traders. The content below also introduces M/S Priti Industries, a reputable manufacturer, exporter and supplier of valves and allied pipe fittings.

About M/S Priti Industries

M/S Priti Industries is a well-reputed company in the industry for manufacturing, exporting, and supplying premium quality products. Our offering products are Tube Fittings, Pipe Fittings, Flanges, QRC & Camlock Coupling, Needle Valves, Knife Gate Valve, Valves, Nut Bolt, Pipe Clamp, Pressure Gauge.

Company Facts

  • Business Type: Manufacturer, Exporter, Retailer
  • Year of ESTD: 2012
  • Ownership Type: Others
  • No of Employees: Less than 10 People
  • Major Markets Cover: India, Abroad
  • GST No: 27BDZPG1623G1ZE

Flange Ball Valve — Quick Facts

Attribute Typical Values / Notes
Valve Type Flanged Ball Valve (2-way, 3-piece / 2-piece; full bore / reduced bore)
Materials Carbon Steel, Stainless Steel (SS304, SS316), Alloy Steel, PVC (limited), Brass
Pressure Rating ANSI 150, 300, 600, PN16, PN25, etc. (depends on valve class)
End Connection Flanged to ANSI / DIN / IS specifications
Actuation Manual (lever/wheel), Gear Operated, Pneumatic, Electric
Common Uses Fluid isolation, slurry lines, chemical plants, water treatment, oil & gas
Associated Accessories Pressure gauges, indicators, limit switches, positioners

Gauge Types Used with Flange Ball Valves

Pressure and process gauges play a vital role monitoring system conditions and ensuring safe operation. Below are common gauge types you will encounter when specifying or buying flange ball valves.

1. Bourdon Tube Pressure Gauge

The Bourdon tube gauge is the most widely used analog pressure gauge. It is reliable, rugged and available in many ranges. It is suitable for hydraulic and pneumatic systems connected to flange ball valves via pressure taps or gauge ports.

2. Diaphragm Seal Gauge (Gauge with Diaphragm Seal)

Used where process media are corrosive, viscous, or contain solids. The diaphragm isolates the gauge mechanism from the medium, while still transmitting pressure via fill fluid. Ideal for flange-mounted pressure take-offs in aggressive chemical or sanitary systems.

3. Capsule / Bellows Gauges

These are typically used for low pressure ranges and vacuum measurements. Capsule or bellows style gauges convert small pressure differentials into readable movement and are useful where sensitivity is important.

4. Digital Pressure Gauges

Digital gauges provide numerical readouts, often with data logging, tare, peaks and programmable units. They are preferred where precision, remote reading or integration with data acquisition systems is required.

5. Differential Pressure Gauges

Differential gauges measure the pressure difference between two points, for example either side of a filter or across a control valve. When used with ball valves, they help monitor flow restrictions and determine maintenance needs.

6. Remote Pressure Transmitters & Gauge Transducers

These convert pressure to electrical signals (4–20 mA, 0–10V, digital protocols) for SCADA or DCS systems. They are essential in automated plants where flange ball valves are integrated into control loops and require remote monitoring.

How to Choose the Right Gauge for Your Flange Ball Valve

  1. Match the Pressure Range: Select a gauge whose full scale is approximately 1.5–2 times the maximum working pressure for better accuracy and longer life.
  2. Material Compatibility: Choose wetted parts compatible with the process fluid (SS316 for corrosive fluids, brass for non-corrosives).
  3. Environmental Protection: For outdoor or harsh environments, pick weatherproof or IP-rated digital transmitters and liquid-filled bourdon gauges to dampen vibration.
  4. Connection Type: Ensure the gauge connection (G 1/4, NPT 1/4, flange type) matches the valve gauge port or mounting arrangement.
  5. Accuracy Required: For custody transfer or precision control use higher accuracy class gauges or transmitters.

Price Guide — Flange Ball Valve & Associated Gauges

Pricing varies widely depending on material, size (NB / DN), pressure rating, seat material, and actuation. The ranges below are indicative and meant to help wholesalers and buyers estimate costs while negotiating bulk rates.

Indicative Price Ranges (General Guidance)

  • Small flanged ball valves (DN15–DN50, carbon steel): Budget to mid-range units suitable for general use.
  • Medium sizes (DN65–DN150, stainless steel): Mid to higher range depending on pressure rating and seat type.
  • Large sizes (DN200+ or special alloys): Higher cost due to material and machining complexity.
  • Actuators (pneumatic/electric): Add significant cost depending on power, control features and brand.
  • Pressure Gauges: Bourdon gauges are cost-effective; digital and transmitter solutions cost more but provide advanced features.

Note: Exact prices depend on vendor, order quantity, and technical specs. Wholesalers typically offer bulk discounts, and exporters may provide different pricing for FOB, CIF or ex-works terms.

Specification Table — Typical Flange Ball Valve

Spec Details (Typical)
Valve Type 2-way Flanged Ball Valve, Floating Ball
Size Range DN15 (½") to DN300 (12") and above on request
Pressure Class ANSI 150 / 300 / PN16 / PN25 (as per customer)
Body Material Carbon Steel / SS304 / SS316
Ball & Stem SS316 / SS304 / Alloy depending on service
Seats PTFE / Reinforced PTFE / PEEK for high-temp
Face-to-Face As per standard (API, ANSI, DIN)
End Connection Flanged (RF / RTJ)
Temperature Range -20°C to 200°C (depends on seat material)

Where to Buy — Wholesalers & Traders

When buying flange ball valves in bulk, consider the following sources:

  • Manufacturers (Direct): Buying directly from manufacturers like M/S Priti Industries reduces intermediary margins and may allow customization, testing certificates and export packaging.
  • Wholesalers / Distributors: Large stockholders with multiple brands, suitable for buyers who need faster delivery of standard sizes.
  • Traders / Exporters: Ideal for international buyers who need consolidated documentation, export compliance and transport arrangements.
  • Online B2B Marketplaces: Useful to compare quotes and check seller credentials; always verify supplier capability via certificates and references.

Buying Checklist for Wholesalers

  1. Confirm material certificates (Mill Test Certificate / EN / ASTM).
  2. Obtain dimensional drawings and face-to-face confirmations.
  3. Request pressure testing and inspection reports (Hydro / Pneumatic test certificates).
  4. Check warranty, spare parts availability and lead times for actuated versions.
  5. Negotiate bulk pricing, packaging, and delivery Incoterms.

Installation & Maintenance Tips

Proper installation and periodic maintenance extend life and ensure safe operation:

  • Always install the valve using recommended torque values on flange bolts to avoid body distortion.
  • Attach gauges using appropriate adapters and isolation valves so gauges can be removed without shutting down the line when possible.
  • For vibrating lines, use liquid-filled gauges to reduce pointer flutter and prolong gauge life.
  • Regularly cycle the valve (if applicable) and inspect seats and stem packing for leaks.
  • Maintain a spare parts inventory (seats, stem seals, gland packing) for critical installations.

Frequently Asked Questions (FAQs)

Q: What is a flange ball valve used for?

A flange ball valve is used for on/off isolation in piping systems, offering reliable sealing, fast operation and easy maintenance. Its flanged ends allow secure bolted connections suitable for higher pressure applications.

Q: Can I fit a pressure gauge directly to a flange ball valve?

Yes — many valve bodies include a gauge port or a separate gauge tap can be welded/installed nearby. Use appropriate adapters and ensure compatibility between gauge connection threads and the valve port.

Q: Which gauge type is best for corrosive fluids?

For corrosive fluids, use gauges with diaphragm seals and corrosion-resistant materials (SS316, Hastelloy) or remote transmitters with wetted parts resistant to the specific chemical.

Q: How do wholesalers get the best price?

Buy larger volumes, standardize on common sizes and materials, provide long-term purchase commitments, and request quotes from manufacturers directly to remove middleman markups.

Conclusion

Flange ball valves paired with the correct gauge type provide accurate monitoring and dependable isolation for many industrial processes. Whether you're a trader sourcing stock, a wholesaler negotiating bulk purchase, or a plant engineer specifying valves for a system, follow the specification, installation and purchasing guidance above for optimal results.

Contact / Next Steps with M/S Priti Industries

For customized flange ball valves, bulk pricing, technical drawings, and test certificates reach out to M/S Priti Industries — a seasoned manufacturer and exporter established in 2012 with a diverse product range including Tube Fittings, Pipe Fittings, Flanges, QRC & Camlock Coupling, Needle Valves, Knife Gate Valve, Valves, Nut Bolt, Pipe Clamp and Pressure Gauge. Provide your size, material and pressure class requirements to obtain a formal quotation.


Disclaimer: Prices and specifications vary by region, manufacturer and order quantity. The information above is for guidance and specification drafting; request formal quotations and certificates from suppliers before procurement.

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