Darling Muesco India Private LimitedDarling Muesco India Private Limited
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Industrial Valves
We design and manufacture high precision control valves, Pressure Regulating Valves & Safety Relief Valves to international standard and cater to the demanding customers across the country & world. Our products process system and quality are ISO 9001 Certified. The investment in quality is justified by more than 2000 satisfied customers.

Digital Control Valves

Digital Control Valves

Multi Stage Set-Stop Valve, F-2113-40R (Y-Pattern), F-113-40R (Globe)
Size : 25 NB – 400 NB

This is an electrically actuated, hydraulically operated multifunction control valve. Used extensively in loading terminal automation systems in refineries and storage tanks of petroleum products for effective and accurate filling of tankers and railway wagons. It has two solenoid valves, receiving signal from batch controllers to position the valve for low flow / medium flow / high flow conditions as programmed.

Pneumatic Control Valves

Pneumatic Control Valves

Darling Muesco Globe type Control valves are available for any control application. Built to take the punishment imported by many processes, including extreme pressure drops, the valve is backed by the most respected name in the valve industry. 

Size 25 NB - 400 NB
Rating 150, 300, 600, 900 & 1500 Class
End Connection Flanged, Butt weld & Socket weld
Material Cast, Steel, Stainless Steel, Alloy Steel, Hastalloy, etc.



Standard Models
70-29-1 (Single Seated, Globe, Unbalanced Design) Top guided, Most widely used valve, for all major Fluids, Working conditions & Applications. Very easy to maintain. 70-28-2 (Single Seated, Globe, Balanced Design), Cage Guided Excellent valve for Liquid, Air & Clean Gases. Has very high stability and better response. 70-14-2 (Single Seated, Globe) Top & Bottom guided Suitable for High working pressure & High pressure Drop. 70-11-2 ( Double Seated Globe) Top & Bottom guided Used for High Flow Capacity (Cv Value) & High Pressure Differential such as Boiler feed Water, etc. 70-15-3 (3 Way Mixing & Diverting) Skirt & Top Guided Used for Thermic Fluid, Steam, Cooling Water, etc. where excess amount of fluid has to be by – passed

• All models available with Direct and Reverse Acting Actuators

• Standard accessories such as Pneumatic Positioners, Electro / Pneumatic Positioners, Manual Override etc. are available

Motorized Control Valves

Motorized Control Valves

Compact Model electrical Actuator directly mounted on Control Value. Features available are inbuilt positioners, position transmitters, limit switches, potentiometer, hand wheel assembly,weather proof/ explosion proof enclosure,etc.  Actuators available for Single Phase / Three- Phase current supply. 

Size 25 NB -300 NB
Rating Class 150, 300 & 600
Input signal A-20 mA
Output Signal 4-20 mA
Material Carbon Steel, Stainless Steel and Alloy Steel

Safety Relief Valves T-100

Safety Relief Valves T-100

Small Sized Flanged End Relief Valve Ideal for Pipe Line and Small Reactors in Pharma Industries. 

Valve Size 15 x 25 Nb, 20 x 25 NB & 25 x 40 NB 40 x 50 Nb & 50 x 50 NB
Rating ANSI 150 LBS to 1500 LBS.
Material Cast Steel & Stainless Steel – Investment Cast
End Connection Flanged End.
Orifice 7mm, 10mm, 12mm & 16 mm

Safety Relief Valves SVE-520

Safety Relief Valves SVE-520

Similar to SVC -500, but with closed Bonnet & Closed Cap.  Also available with Packed Lever, Bellow Seated and Soft seat for critical services.  Valve size, orifice and rating some as SVC -500. 

Valve Size 25 x 50 NB to 250 x 350 NB
Rating BS 10 Table H, Class 150 to Class 900
Orifice Size G(20.0 mm) to V(181.0 mm)
End Connection Flanged
Material Carbon Steel, Stainless Steel & Alloy Steel.

Safety Relief Valves SVC-500

Safety Relief Valves SVC-500

(IBR Approved) Open Bonnet, Convectional Design, Open Cap with Lever. Designed as per API 526/ API 520 and also as per ASME Section VIII ideally suitable for Steam Service. Set pressure various from 0.7 kg/cm² to 110 kg/cm². More then 5000 valves installed on boilers across the country. 

Valve Size 25 x 50 NB to 250 x 350 NB
Rating BS 10 Table H, Class 150 to Class 900
Orifice Size G(20.0 mm) to V(181.0 mm)
End Connection Flanged
Material Carbon Steel, Stainless Steel & Alloy Steel.

Pressure Reducing Valves

Pressure Reducing Valves

  • F 115 (Globe) / F 1115 (Angle Pattern)
  • Automatically reduces a higher inlet pressure to a constant lower outlet pressure
  • The value consists of a main value and a Fig. 15 pressure reducing control pilot. Slight changes is downstream pressure acts on topside of control Diaphragm causing main Value to counteract pressure changes and hold a constant outlet pressure.
  • The regulator will reduce regardless of the change in flow rates / or inlet pressure. The pilot is a Normally - Open value that senses the downstream pressure.
  • Spring Range : Standard : 20-175 psig. Optional : 5-35 psig size 25NB-400NB

Steam Pressure Reducing Valves

Steam Pressure Reducing Valves

We are offering various types of self actuating type pressure reducing valves that are most popular for pressure reduction of steam in all types of industries. Depending upon the work pressures, flow rates and type of fluid, we can also customize the range as per the clients specific requirements. The valve operates on Spring Balance principal.

Special quality stainless steel diaphragm

• Maintains constant outlet pressure, irrespective of change in upstream pressure ( Low Droop.)
• High Turn-Down Ratio, full to 10% ( 10:1 )
• Very ideal for low and medium pressure, steam, gas and air
• Variety of spring range for better down stream pressure control

Specifications
• Valve sizes are from ½" to 6" in flanged end connection.
• Sizes ½" & ¾" are also available in screwed end.
• Standard material of construction is cast steel body/ bonnet and SS-316 trim parts.We are also offering Pilot operated pressure reducing valves that are suitable for clean liquid service only.

Valve Sizes

• ¼" to ½" in screwed connection
• Sizes: 1" (25NB) to 16"(400NB) in flanged end connection as per ANSI-150 class and 300 class

Deluge Valves

Deluge Valves

Deluge Valve model F100D-A are manufactured with Dry Trim (Pneumatic Actuated) and Wet Trim (Hydraulically Actuated). Both options are available with Electrical trim Solenoid Actuated (Model F100 D-8).  All trims are factory piped on the Valve itself.  It also has Manual Station as Test Trim, Manual Override and Drain Line.  The valve opens on demand to provide water flow to the fire protection sprinkler systems.  Pilot system can be hydraulically, pneumatically or manually operated.  Opening of the Value is by electrical signal to solenoid valve/loss of control pressure.  The Pilot and Diaphragm design has many advantages as:

• Quick respose / fast opening
• Low frication
• High flow capacity
• Minimum maintenance
• Imported Diaphragm & Patented Quad Seal Ring for Zero leakage Size : 50 NB - 400 NB

Nitrogen Blanketing Valves

Nitrogen Blanketing Valves

Gas Pressure Regulators : F -166 HP, Type F-166 HP Regulators are Self Actuated - Spring & Diaphragm operated for precise control of Gas pressure for maximum combustion efficiency in commercial gas installation.  The Regulators maintain the outlet pressure steadily irrespective of varying inlet pressure in the pipeline.  These high capacity regulators are used for Air, Nitrogen, Natural Gas , Hydrogen and many other Industrial Gases. 


Sizes 15 NB to 150 NB
Rating Class 150 & 300 Class
Maximum inlet pressure 20 kg /cm³
Minimum outlet pressure 50 mm WC
Material Carbon Steel & Stainless Steel

De-Superheaters

De-Superheaters

Various designs and types of c are offered for different requirements to reduce Steam temperature from Superheated to Saturated Steam:

• Variable Spray De- Superheater – VSD -110.
• De-Superheater Mechanically Atomized – DMA
• Ventury Type – De-Superheater – V- 105Based on process parameters, suitable De- Superheater is offered with complete instrumentation package.

Steam Pressure Reducing Station

Steam Pressure Reducing Station

We are also providing quality services related to steam pressure reducing station. Backed by a team of experts, we are able to offer following services to our clients:

• Steam service with self regulating PRV
• Steam service with PCV
• Hydrogen service PRS
• PRS for natural Gas

Size 25NB x 50 NB to 250 NB x 350 NB
Pressure Range 150 psig- 450 psig
Pressure Rating Class 150,300,600, BS 10 Table H,etc
Material Cast Steel and Alloy steel

We Manufacture

Digital Control Valves

Pneumatic Control Valves

Motorized Control Valves

Safety Relief Valves T-100

Safety Relief Valves SVE-520

Safety Relief Valves SVC-500

Pressure Reducing Valves

Steam Pressure Reducing Valves

Deluge Valves

Nitrogen Blanketing Valves

De-Superheaters

Steam Pressure Reducing Station

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