316 Stainless Steel BSPP Full Bore Ball Valve | Two-Piece Lockable Lever Handle | Water installations
Air System Controls Logo

316 Stainless Steel BSPP Two-Piece Full Bore Ball Valve

Blue Lockable Lever Handle | Multiple Domestic and Industrial Applications | UK Stock & Same-Day Dispatch

316 Stainless Steel BSPP Ball Valve Full Bore

This 316 Stainless Steel Two-Piece Reduced Bore BSPP Ball Valve provides a durable flow control solution for industrial systems. Precision-engineered using investment-cast stainless steel, it offers corrosion resistance and long service life in demanding environments. With a 1000 PSI pressure rating and lockable lever handle, this high-quality valve is suitable for all general purpose applications.

The Blue Lever Handle ensures secure shutoff and control in pipelines, process plants, and pressure systems across mechanical, marine, and manufacturing industries.

Product Specifications

  • Type:316 Full Bore 2 Piece body
  • Body Material: Stainless Steel Body and Ball
  • Working Temperature: -20°C to +180°C
  • Maximum Pressure: 1000 PSI/69 BAR (1/4"–2"), 800 PSI (2½"–4")
  • Thread Type: BSPP Female (ISO 228-1)
  • Design: Two-piece, full bore, blow-out proof stem
  • Handle: ¼-turn Blue lever handle with locking mechanism
  • Stem: Blow-out Proof Design for added safety
  • Testing: API 598 / EN12266
  • Applications: Suitable for water, oil, gas, air, and industrial fluids
  • Certification: CE 97/23/EC (CE0035)

Engineered for industrial flow control, these 316 stainless steel BSPP full bore ball valves combine strength and reliability with smooth operation and easy maintenance.

Key Features & Benefits

  • 316 Stainless Steel: Provides superior corrosion and temperature resistance.
  • Full Bore Design: Ensures unrestricted flow and minimal pressure loss.
  • Lockable Lever Handle: Adds operational safety and reliability.
  • High Pressure rating: Suitable for up to 1000 PSI (69 BAR).
  • Industrial Versatility: Perfect for water, oil, gas, chemical, compressed air, and hydraulic applications.

Applications

  • Domestic water systems
  • Water pipelines & storage tanks
  • Industrial & commercial water installations
  • Maintenance, replacement, and upgrade projects
  • Hydraulic and pneumatic systems
  • Industrial process plants and pressure control systems
  • Water treatment and filtration units
  • Oil and gas installations
  • HVAC and refrigeration circuits
  • Swimming pools
  • Hot and cold water systems
  • water fountains and pump systems
  • Irrigation systems
  • Compressed Air systems

Why a Lockable Handle for Valves?

The distinct lockable function of the handle is a critical industry standard for valves. This feature serves as an immediate safety measure when installing valves in your systems, signifying that the valve is to remain in either the open or closed position. It helps professionals and users easily lock off supplies, thereby preventing accidental misuse, ensuring correct installation, and enhancing overall safety in valve applications.

Why choose a Stainless Steel Valve?

  • Superior Corrosion Resistance: Stainless steel construction prevents rust and corrosion, making it ideal for aggressive environments, including marine, chemical, and outdoor installations.
  • High Pressure & Temperature Capability: Withstands significantly higher operating pressures and temperatures than brass or plastic valves, ensuring reliable performance in demanding systems.
  • Durability & Longevity: Steel valves offer exceptional mechanical strength and long service life, reducing maintenance requirements and downtime.
  • Versatile Media Compatibility: Suitable for water, oil, gas, steam, and various chemical fluids where material compatibility is critical.
  • Hygienic Applications: Often used in food, beverage, and pharmaceutical industries due to the clean, non-reactive surface of stainless steel.
  • Industrial Environments: Preferred in process control, petrochemical, hydraulic, and manufacturing systems where reliability under stress is essential.
  • Resists Chemical Attack: Unlike brass or bronze, stainless steel maintains integrity when exposed to acidic or alkaline solutions.

Technical Dimensions

Technical Drawing of 316 Stainless Steel Ball Valve

316 Stainless Steel, Lever Handle, BSPP Two-Piece Full Bore

Size D L H W S CV Factor KG each
1/4" 11.6 48.5 48 91 19 6 0.30
3/8" 12.5 48.5 48 91 21 7 0.31
1/2" 15 58 52 91 25.5 10 0.35
3/4" 20 65 61 111 31 25 0.58
1" 25 77 65 111 37.5 35 1.04
1 1/4" 32 90 79 154 53.5 80 2.26
2" 50 121 97 192 66 110 3.80
2 1/2" 65 145 129 246 82.5 310 6.80
3" 76 166 138 246 97.5 360 11.58
4" 94 240 175 317 130 820 16.10

Understanding CV Factor (Flow Coefficient): The CV Factor measures the efficiency of flow through a valve. A higher CV value indicates greater flow capacity, allowing more fluid to pass through the valve at a given pressure differential. Full bore design provides significantly higher CV values compared to reduced bore alternatives, making these valves ideal for applications where maximum flow capacity is required.

Pressure Specifications

Specification Value
Pressure (1/4" to 2") 1000 PSI / 69 BAR
Pressure (2-1/2" to 4") 800 PSI / 55 BAR

Material Specifications

S.NO. Component Material
1 Handle Sleeve PVC
2 Handle 304 Stainless Steel
3 Gland Nut 304 Stainless Steel
4 Stem Nut 304 Stainless Steel
5 Spring Washer 304 Stainless Steel
6 Stem Packing PTFE
7 Thrust Washer PTFE
8 Joint Gasket PTFE
9 Cap CF8/CF8M
10 Body CF8/CF8M
11 Ball Seat RPTFE
12 Ball CF8/CF8M
13 Stem 304/316 Stainless Steel

Design Considerations

Engineered for water flow control, this BSPP Ball Valve meets the highest safety and quality standards.

The full bore design ensures maximum throughput, reducing pressure drops in systems. Ideal for plumbing installations, water distribution lines, HVAC units, and industrial water applications. Operating temperature range: -10°C to +120°C. Maximum working pressure: 25 bar.

We also supply a full range of valves to suit all applications.

View our full range of stainless steel ball valves here.

Design Comparison: One-Piece vs Two-Piece Ball Valves

At Air System Controls, we stock both one-piece reduced bore and two-piece full bore BSPP stainless steel ball valves. The two-piece version provides serviceable construction, high-pressure performance, and full bore flow — ideal for industrial use.