Diamond Engineering Works (India)

Diamond Engineering Works began serving the valve industry in the early 1960’s as small unit. Since our inception, “DIAMOND DEW” products have served as benchmark for quality in the industry. Today the firm have succeeded up to mark and have created a niche in the state of art technology for valves. The key to success is innovation with a quality backbone. We work in partnership with our customers to develop durable, reliable, quality products that meet their specialized needs.

You can rely upon ‘DIAMOND DEW' product management, engineering teams, and custom products to provide the technical support that your project requires, keeping the matter confidential. All activities at Diamond Engineering Works are controlled under a detailed quality system. Today, the company has grown to staff employees with revenue exceeding in multiples. Future Plans are to expand the company and build a new manufacturing facility at the fast growing industrial state GUJARAT.

Globe Valves

CAST STEEL BOLTED BONNET GLOBE VALVES

Outside screw and yoke construction.

Angle and Y type design available.

Flanged end or Buttweld ends.

Valves provided with back seating arrangement.

Regulating, guided and soft seated plugs are available.

Extended bonnet provided for low temperature and cryogenic services

(cold box and non cold box applications) to confirm to requirements of BS 6364.

Specially designed die formed graphite packings, controlled clearances between stem,

gland and bonnet bushing for guaranteed low emissions.

Renewable, Seal welded seat ring or Integral seat (Cast SS only) available.

Deep stuffing box with lantern ring optional.

Self aligning, two piece gland.

Anti friction ball thrust bearing in yoke sleeve for higher sizes and classes.

Locking arrangement optional.

Optional gear, electric or pneumatic Actuator available.

Meets design requirement of ASME B16.34 and BS 1873 and testing requirement of BS 6755.

Flanged end dimensions confirm to ASME B16.5 and AP] 605 and BS 3293 and DIN.

Ring joint facings available in higher classes.

Buttweld end dimensions confirm to ASME B16.25

Face Face and End End dimensions confirm to ASME B16.10 BS 2080 and DIN

Non Return Valves

DIAMOND ENGINEERING has developed a special purpose high pressure inline type Non Return valve. This valve consists of a special metal plug to resist erosion, which is precisely lapped and matched with the seat of precipitation hardened steel to achieve maximum operating life cycles. This valve can be mounted in any position and suitable for Hydraulic as well as Pneumatic service up to temperature 300ºC, sizes from ¼” to 1” in screwed connection BSP and NPT or as required special connection. Pressure rating up to 500 bars. Available in M.O.C. AISI 304 and 316 and Carbon steel (Graded).

Check Valves

CAST STEEL BOLTED COVER CHECK VALVES

Flanged ends or Buttweld ends.

Lift type disc design available.

Renewable, seal welded seat ring or integral seat (Cast SS only) available.

Optional counter weight, lever and dash pot arrangement available.

Meets design requirement of ASME B16.34 and BS 1868 and API 6D and

Testing requirement of BS 6755 and API 6D.

Flanged end dimensions confirm to ASME B16.5 and API 605 and BS 3293 and DIN.

Ring joint facings available in higher classes.

Buttweld ends dimensions confirm to ASME B16.25

Face Face and End End dimensions confirm to ASME B16.10 and BS 2080 and DIN.

Needle Valves

‘DIAMOND DEW’ needle valves are designed for accurate regulation and positive shut off in impulse and instrument lines and other small lines systems under pressure up to max 10000 PSIG. Service ratings cover all general applications steam, gas, water and oil and include a wide range of acid and alkaline fluids, petrochemical and other organic substances. Materials and design have been adapted with particular regard to extremely erosive conditions encountered throttling service.