Plug valves

This is a quick opening valve constructed with a central core or plug.

The valve is opened or closed with one quarter turn (90 degrees) -of the handle

attached to the central core

Texsteam valves are fitted to some separators and axe found in the manifold, oil,

water and gas lines.

Gate valves

Choke manifolds have four gate valves arranged in such a way that the flow can

be directed through either the fixed or the adjustable choke. The valves are

opened and closed by hand wheels.

Types of valves available on different choke manifolds include Mc Evov,

Marlbranque, Sereg and WOM.

Butterfly Valves

A butterfly valve is a type of quick opening low pressure valve whose orifice is

opened and closed by a disc that pivots on a shaft in the throat of the valve.

A quarter turn (90 degrees) of the handle moves the valve from fully open to

fully closed.

Valves

Ball valves

A ball valve is a quick opening valve with a spherical core, a ball with a full bore

port that fits and turns in a mating cavity in the valve body.

Ball valves open or close by a quarter turn (90 degrees) of the valve handle

attached to the spherical core.

Mapegaz valves in various sizes are used in the separator manifold and in the gas

oil and water outlets.

GATE VALVEMc Evoy Model ‘C’ Valve

Mc Evoy Model ‘C’ valve

DESIGN FEATURESMAGNUM- WOM

Can flush the grease or body contaminants in full open or full close position. As the small amount of fluid and pressure remaining in the body cavity can be drained through a manual relief valve, there is no build up of sludge on threads of the stem screw. And at any time, the stem screw can be greased in open position under/full working pressure without taking the valve off-line!

Lower Torque because of:

- Truly floating gate action- Mating gate and seats have final surface finish of 1-2 RMS which

substantially reduce friction.- Forces between the gates and seats are balanced, nullifying their effect on

valve operation- ‘Magna-Seal’ Lubricant has special additives which reduce friction even

more

Longer Life:

- Longer lasting (typically 3 times more) gate and seats because of little exposure at critical moment of opening and closing and less loss of lubricant

- Bearings are isolated from any possible stem packing leak which may include highly embrittling H2S

Construction Features Of Magnum Manual Gate Valve

Grease fitting (3):Used to lubricate the thrust bearings.

Bearing cap seal (4):Seals out dust and moisture:

a. Seal located on top portion of bearing cap seals the hole which is used to insure that enough amount of grease is filled inside the bearing cap cavity.

b. Seal located on bottom portion of bearing cap seals the hole which is used to allow any leakage to pass in case stem packing does not hold the pressure.

Thrust bearing (6):Ease of operation

Stem adapter seal (7):Seals out dust and moistureSeals in grease

Stem pin (9):Stem pin provides protection for the valve stem and other internal componentsin the event excessive torque is applied to the handwheel.

Stem packing (11):Replaceable under full line pressure when the valve is either in fully closed orfully open position.

Grease fitting (16):The one located on the bonnet is used to lubricate the stem and t-nut threads.And the one located on the body is used to lubricate the sealing internal partsinside body cavity such as gate, seat. ‘Magna-seal’ grease is the recommendedlubricant to maximize the service life.

Gate (19):It moves laterally due to design of the slot. It is a thick slab gate which prevents deflection at the rated working pressure, maintaining perfect seal with the seats and preventing the body cavity getting pressurized in fully open or fully closed position.

Seal Assembly:This includes Seat (21), Seat Retainer (24) and seals. Packing Gland Seal (25):Seals in grease

Test Screw (27):Located on bonnet and used to bleed off the body cavity pressure, once the valve is in fully open or fully closed position.

Texsteam Plug valve

1. Description

Type: Full Opening, Non- Lubricated Plug valve.Model: 6606 TEXSEAL “D” Series Carbon Steel.Service: H25Specification: NACE last revision.Diameter: 3” Fill OpeningEnds: 600 ANSI Flanged End RFControl: (optional accessory) Wrench size 3” F.O.

Part Number GB-879 (Flo Part no g 826983)Repair Kit: G 826984 Part NO.

2. Layout

3. Maintenance Instructions

The TEXSEAL “D” Series Valves allow both seats and plug to be removed without removing the valve body from the separator line.

MAPEGAZ Valve

Butterfly valveSight Glass with Safety Valve

1 ) S t ay i n t he i r g rooves .

2 ) S igh t g l a s s b r eaks because o f t he d i f f e r ence i n p r e s su re .

3 ) Ba l l s a r e pushed back i n t he i r g rooves w i th t he s t ems . S t ems have t o r e t u rn t o t he i r i n i t i a l pos i t i on so t he ba l l s c an s ea t i n c a se o f a new f a i l u r e .

WECO® BUTTERFLY VALVES

Models 12, 12N, 22, 22L, 2”- 12” SIZES

The design of the Weco® butterfly valve is such that it requires little or no maintenance. Normal cleaning, such as flushing out the port to prevent product from building up and restricting the movement of the disc, will increase the life of the valve. The Weco® Butterfly valve can be completely reconditioned in the field without special tools.

FMC FLUID CONTROL OPERATIONZ.I Molina la Chazotte, 810 rue George Sand42350 LA TALAUDIERE- FRANCE

Tel: (33) 77 47 50 15- Telex: 307 907: (33) 77 47 50 14RC Sens B 705 580 389 Siret 705 580 389 000 17 code APE 2401

C.E.E V.A.T registration FR01705580389

Schlumberger Wireline & Testing Spce M971952/AA

Spare parts for WECO® Butterfly valves Mod.223”