Product Catalogue
Full technical overview of our valve, fitting, and piping component range — with specifications and material options.
🔵 Ball Valves
R.K. Chemtech ball valves are engineered for tight shutoff in chemical, petrochemical, and process applications. Available in 2-piece, 3-piece, and flanged body configurations with full-bore or reduced-bore options.
Size Range
DN 8 – DN 600 (¼″ – 24″)
Pressure Class
150 LB – 2500 LB (ANSI)
Body Materials
SS 304, SS 316L, Carbon Steel (A105/WCB), Alloy 20, Hastelloy C-276, Duplex 2205
Seat / Seal
PTFE, RTFE, Devlon, PEEK, Metal-to-Metal (fire-safe)
End Connections
NPT/BSP threaded, Socket Weld, Flanged (ANSI/DIN), Butt Weld
Temperature
−196°C to +450°C (cryogenic & high-temp variants)
API 608
API 6D (Pipeline)
BS 5351
ISO 17292
NACE MR0175
Fire Safe (API 607)
Actuator-Ready
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🔩 Chemical Fittings
High-integrity fittings for aggressive chemical service — threaded, socket weld, butt weld, and compression types. PTFE-lined and exotic-alloy grades available for highly corrosive media.
Types
Elbows, Tees, Reducers, Couplings, Unions, Caps, Cross
Size Range
⅛″ – 12″ (NPT/BSP/SW/BW)
Materials
SS 316L, SS 304, Inconel 625, Hastelloy, PTFE-lined Carbon Steel
Standards
ASME B16.11 (SW/Threaded), ASME B16.9 (BW), MSS SP-79/83
Compression Fittings
High-Pressure
PTFE-Lined
Exotic Alloys
OEM Supply
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⚙️ Butterfly Valves
Wafer and lug-type butterfly valves for high-flow, low-pressure-drop applications in water treatment, HVAC, and process services.
Types
Concentric, Double-Eccentric (High-Performance), Triple-Eccentric
Size Range
DN 50 – DN 1200 (2″ – 48″)
Seat Options
EPDM, PTFE, Viton (FKM), NBR, Metal Seat (HP)
Disc Material
Ductile Iron (NiPlated), SS 316, Duplex, Nylon-coated
EN 593
ISO 5752
API 609
Actuator-Ready
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🔧 Needle & Globe Valves
Precision needle valves for instrument, metering, and sampling applications. Forged-body globe valves for throttling service in high-temperature steam and process lines.
Needle Valve Pressure
Up to 6000 PSI (400 Bar)
Globe Valve Size
DN 15 – DN 200 (½″ – 8″)
Materials
Forged SS 316, A105, F316 Stainless
End Connections
NPT, SW, Compression (Swagelok-compatible)
Instrument Tubing
High-Pressure Sampling
Flow Metering
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🛠️ Pipe Flanges & Gaskets
Full range of ANSI/ASME and DIN flanges for process piping. Matching gasket solutions including spiral wound, ring joint, and PTFE-envelope types.
Flange Types
Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Orifice
Standards
ANSI/ASME B16.5, B16.47 (large bore), EN 1092-1 (DIN)
Facing
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Gasket Types
Spiral Wound (SS+PTFE/Graphite), Ring Joint (Soft Iron/SS), PTFE-Envelope, Full-Face
Class 150–2500
SS 304/316
A105 / F316
Alloy Steel
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⚡ Valve Actuation
Automate your valves with our pneumatic and electric actuator packages. We supply complete actuated assemblies — valve, actuator, positioner, and limit switch — factory assembled and tested.
Pneumatic Actuators
Scotch-yoke & rack-and-pinion; spring-return & double-acting; ATEX available
Electric Actuators
24V DC, 230V AC, 3-phase; intrinsically safe options; multi-turn & part-turn
Accessories
Solenoid valves, filter-regulators, positioners (4–20 mA), limit switches, namur mount
Control Interface
On/Off, Modulating (4–20 mA / 0–10V), HART, Fieldbus, Profibus DP
ATEX Zone 1/2
ISO 5211 Mount
Factory Assembled
SIL Ready
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