Safety Relief Valves

Fluidyne manufactured Safety Valves and Safety Relief Valves, Thermal Relief Valves, Boiler Safety Valves, Dead weight Safety and Relief Valves, Pilot operated Safety Relief Valve conform to API, ASME and IBR codes. Fluidyne carried out an extensive market research to design and manufacture durable and effective Safety Valves and Safety Relief Valves that are highly suitable for most chemical, petrochemical, oil, pharmaceutical, fertilizer, power and engineering industries and more. These industrial safety relief valves, flanged safety relief valves, dead weight relief valves, sanitary safety relief valves are high reliability and are approved by factory inspectors, inspectors under Indian Boiler Regulation (IBR), B.V., Lloyds and Chief Controller of Explosives. FLUIDYNE safety and relief valves are in used in above industries for over 35 years. Fluidyne Safety Valves and Safety Relief Valves are Full Lift, 'Pop' action type, Full Nozzle or half nozzle having Screwed Butt/Socket weld or Flanged connections. Various Models are available as per requirements of customers. Sizes Range : ¼”(6 NB) to 12” (300 NB). All API standard Orifice sizes are available. Both Angle and Straight (in-line) Patterns are available. Inverted-Bottom spring mounted types available for mounting inside mobile pressure vessels. Connection offered are Screwed, Sanitary or Socket Weld / Butt Weld ends and Flanged ends to 150#, 300#, 600#, 900#, 1500# and 2500# rating. Flanged connections are offered with FF, R/F and RTJ ends to ANSI B16.5, BS, DIN,. Safety Valves and Safety Relief Valves are manufactured from castings and by fabrication from bar stock and all special trims provided as per customer requirements. Fluidyne manufactured Safety Valves and Safety Relief Valves, Thermal Relief Valves, Boiler Safety Valves, Dead weight Safety and Relief Valves, Pilot operated Safety Relief Valve conform to API 520, API 526, API RP 527, ASME SEC VIII DIV I and IBR codes Set pressure and hydro tests as per specification or standard are carried and provided. FLUIDYNE manufactures following types of Safety Valves and Safety Relief Valves :-

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Safety Relief Valve (Type - TA 100)

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These Safety and Relief Valves are Standard models manufactured to API 520, API 526, API RP 527, ASME SEC VIII DIV I and IBR codes having full lift and high capacity and fitted as original equipments on boilers, reactors, pressure vessels and reactors.

Technical Specification:

Orifice	Valve Size	Max. Pr. Rating PSIG	A mm	B mm	C mm
D-0.110 in2	1D2 1 ½ D 2	600 1500	90 90	120 135	325 310
E-0.196 in2	1E2 1 ½ E2	600 1500	90 90	120 135	325 310
F-"0.307 in2	1 ½ F2 1 ½ F2 ½	600 1500	90 90	135 135	310 310
G-0.503 in2	1 ½ G2 1 ½ G2 ½ 2G3	600 900 1500	90 110	135 150	310 310
H-0.785 in2	1 ½ H3 2H3	600 1500	130 130	124 124	400 415
J-1.287 in2	2J3 3J4	600 1500	130 155	124 160	124 160
K-1.838 in2	3K4 3K6	600 1500	140 180	190 180	580 750
L-2.853 in2	3L4 4L6	300 1500	140 150	190 190	580 720
M-3.600 in2	4M6	900	150	190	720
N-4.34 in*	4N6	900	150	190	720
P-6.380 in2	4P6	900	150	190	720
Q-11.050 in2	6Q8	600	220	245	810
R-16.00 in2	6R8 6 R10	300 600	220 275	245 280	810 1100
T-26.0 in2	8T10	300	270	225	920

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Safety Relief Valve (Model: 200B)

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Fluidyne range of small bore safety valves, industrial safety relief valves, flanged safety relief valves, industrial safety valves, flanged safety valves offer superior performance and maximum functionality. They are available in Screwed, Socket weld, Sanitary, Conflat and Flanged Construction type or flanged-inlet, Screwed-outlet connection type. Their simplicity in construction makes them pretty cost effective and easy to use.

Technical Specification:

	Type	Orifice Area in	Size	A	B	C	Weight Approx.
Screwed X Screwed Socket-Weld X Socket-Weld Connection	200B-1	0.04	1/2 x-1/2	85	55	215	5
	200B-2	0.06	3/4 x 3/4	85	65	215	6
	200B-3	0.11	1x1 .	85	75	215	6
	200B-4	0.196	1 ½ x 1 ½	100	75	300	6
Flanged X Flanged Connection	200B-5	0.11	3/4x1	90	95	300	6.5
	200B-6	0.196	1 x 1 ½	100	105	300	8.5
	200B-7	0.196	1 ½ x 2	115	120	300	15
	200B-8	0.196	2x2	115	120	300	18
	200B-9	0.442	1 ½ x2	115	120	380	17
	200B-10	0.442	2x2	115	120	380	20
	200B-12	0.690	2½ x 2½	122	100	245	28

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Boiler Safety Valve (Model BSV-100)

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Fluidyne Boiler Full Lift Full Flow Safety Relief Valve is a high performance valve designed and developed for steam and water service. It can also be used for most other applications like gases and vapors, saturated steam, superheated steam. Fluidyne Safety Relief Valve is designed for steam service. The valves are designed as per API 520, API 526 and meets the requirements of ASME Sec VIII-Division I. Fluidyne Boiler Safety Valves are offered with IBR Certification in Form III-C. The valves have a full nozzle or half nozzle and guided at the guide of the valve body, increasing the eficiency of the valve assembly. Specially designed disc holder ensures full lift within 5% to 10% overpressure or increase of pressure above the set pressure value. Blow down of a maximum of 5% to 10% is achieved in this design. Lapping of valve seat to optical flatness ensures leak tightness at seat. Full lift of valve disc ensures that the certified flow of the safety valve is discharged. Spring made of chrome vanadium steel is precisely selected and assembled so that the valve operates precisely and a good leak tightness is achieved at high temperatures with great repeatability.

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Deadweight Safety Valve

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Fluidyne Deadweight Safety valve consists of a valve seat where the pressure in the boiler or pressure vessel when it exceeds the normal working pressure lifts the valve seat with its weight. The excess pressure fluid therefore escapes through the pipe to the atmosphere, until the pressure reaches its normal value. It is the simplest type of safety valve; it is suitable for stationary boilers and pressure vessels only, because it cannot withstand the jerks and vibration of mobile boilers or pressure vessels. Another disadvantage of this valve is the heavy weight required to balance the pressure. Hence, it is not suitable for high pressure boilers.

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Backpressure Safety / Relief Valve

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FLUIDYNE Backpressure Safety Relief or Surplus or Diaphragm Assisted Safety Relief Valve is single seated, diaphragm controlled and spring regulated valve where the pressure of the system being relieved, acting upon the diaphragm provides a sensitive control of the valve opening in accordance with the regulating spring setting. The application or ideal for installations where a direct spring loaded type is too insensitive to pressure or flow changes. The Fluidyne Backpressure Relief Valve Protects systems from overpressure and Monitors pump outputs. Fluidyne Backpressure Relief Valve is most suitable for water, air, gas, steam, oil or chemical services.

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Large Size Safety Relief Valve

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Designed for installation on pressurised vessels and storage tanks, FLUIDYNE PIPE AWAY Pressure Relief Valve is designed to protect the vessel or tank from excessive internal pressure.

In the closed position the spring-loaded pallet and diaphragm assembly is held tightly against a seal to prevent the loss of vapour to atmosphere. As the internal pressure in the tank increases, due to product filling and vapour development, the pressure in tank increases and reaching set pressure of the unit, the diaphragm will open and discharge the air, gas or steam to the atmosphere. The opening set-point is selectable from a range between +50 mbar and +1000 mbar (other settings available on request), and the valve will close when the tank returns to a safe pressure.

Several features are inherent in the valve design to ensure a smooth, positive and effective operation. The body is self-draining and drip rings prevent condensate from settling on seating surfaces. A diaphragm and seal manufactured from Teflon reduce the possibility of ice formation and sticky residues hindering the valve from opening, while the pallet assembly moves freely on guideposts. Set pressure can be adjusted by adjusting spring settings.

Design & Manufacturing Specifications
The integrity of the seal is tested for leakage in accordance with API Standards. The size of the valve shall be calculated in accordance with API Standard, ASME or IBR codes

Standard sizes	2" to 24" (50 to 600mm)
Flanges	API 650, ASA Class 150 RF, DIN PN 6 /10/16
Body	Carbon steel, stainless steel, or aluminium
Seals	Nitrile, Teflon, and Klingrite
Pallet	Stainless steel AISI 304/SS316
Springs	Stainless Steel/ Spring Steel

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