MISCELLANEOUS CONTROLS AND INSTRUMENTS

SigmaHLR offers a variety of controls and instruments such as orifice nipples, test nipples, ESD valves, pressure sensors and signs. For more information on these products or to make a purchase, please contact SigmaHLR Sales at 972-355-3047.

ORIFICE NIPPLES

ORIFICE NIPPLES

The HLR 8133 Orifice Nipple has a specific bore diameter of .030″. This type of Orifice Nipple is commonly referred to as a “fixed diameter Flow Restrictor”.

TEST NIPPLES

TEST NIPPLES

The HLR 8131 Test Nipple is utilized with a “female” base connection Pressure Sensor. The 1/4″-18 NPT connection of the Test Nipple is ideal for installing an isolation valve and field test assembly.

FIXED ORIFICE SELECTION GUIDE

Fixed Orifice Selection Guide

Sigma Fixed Orifices are available for use in pneumatic and hydraulic control circuits. These 316 stainless steel restriction orifices provide years of positive controlled flow of fluids or gases. Stock orifice sizes are .020 inch and .030 inc … Read more

16R104 – ESD VALVES, STATIONS, & SIGNS

16R104 – Esd Valves, Stations, & Signs

ESD Stations are most commonly found in loop pneumatic control circuits on many offshore platforms. They are normally installed or mounted on platform handrails in strategic locations near living quarters, boat landings, helipads, process faci … Read more

16RS18 - Esd Valves

16RS18 – Esd Valves

ESD Stations are most commonly found in loop pneumatic control circuits on many offshore platforms. They are normally installed or mounted on platform handrails in strategic locations near living quarters, boat landings, helipads, process faci … Read more

16RS23 & 16RS135 Artic Service – Esd Valves

ESD Stations are most commonly found in loop pneumatic control circuits on many offshore platforms. They are normally installed or mounted on platform handrails in strategic locations near living quarters, boat landings, helipads, process faci … Read more

16RS28 – Esd Valves

ESD Stations are most commonly found in loop pneumatic control circuits on many offshore platforms. They are normally installed or mounted on platform handrails in strategic locations near living quarters, boat landings, helipads, process faci … Read more

16RS48 – Esd Stations & Signs

ESD Stations are most commonly found in loop pneumatic control circuits on many offshore platforms. They are normally installed or mounted on platform handrails in strategic locations near living quarters, boat landings, helipads, process faci … Read more

72 Series Compact Pressure Sensors

With five diverse styles to choose from, Sigma Valves offers a pressure sensor to meet exacting requirements for each installation. From standard onshore medium duty wellhead hook-up to the most extreme corrosive well media requirement; for low press … Read more

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Above you have found our core product line that fits numerous applications. In the case of which you are in need of a specific material, temperature rating, or other technical specification, please contact us to see our other offerings we provide to fulfill your needs.

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Available Seals: Viton, Urethane, Arctic, Kalrez, Alfas, and Teflon

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Exotic Materials Available include: Inconel, Hastelloy, Monel, and Duplex Stainless Steel