BALL VALVES
1. TECHNICAL SPECIFICATION
BALL VALVES DN600, ANSI 300 UNDERGROUND MOUNTAINED WITH "HYDROPNEUMATIC ACTUATOR
Ball valves ANSI300 DN600 2 Pcs
TECHNICAL PARAMETERS AND FUNCTIONAL
- Working fluid: natural gas;
- Ambient temperature: -31.0 °C + + 36.5 °C;
- Gas temperature: + 5 °C, + 20 °C,
- Design pressure: ANSI 300;
- Design pressure: 40 bar;
- Maximum operating pressure: 20 bar;
- Working pressure: 7+ 11 bar;
- Diameter of the pipe to be mounted: 610 mm:
- Mounting: underground, horizontal;
- Type of valve: sphere and total passage (full bore .
- Connection : with welded hads ANSI B 16.25
- Material of the body:.carbon steel (cast or welded body):
- Rod material: stainless steel;
- Material of the sphere: carbon steel chrome plated;
- Constructive lengths: according API 6D
- Primary sealing: metal on metal;
- Secondary seal: sealing rings;
- Tertiary seal: Injection system (with shutter and drive shaft);
Features:
• "Blow Out proof stem" sealing system;
• Sealing check, Double block and bleed "in closed and open position;
• Anti-fire and anti-static device;
• Purge and ventilation with spherical locks;
• Pressurized spindle seal Anticorrosive protection with extruded polyethylene;
The closure valve supplier will dimension and deliver also drive
Action:
• Mounting: underground, horizontal;
• Type of valve to be mounted: with sphere and full bore:
• Corrosion protection: epoxy paint;
• Drive: Hydropneumatic;
• Type: pneumatic with hydraulic hand pump;
• Function: closing / opening valve;
• Command selection: local or remote
• Settings: the possibility to set the local limits of the race;
• Checking the operating state: local (mechanical position indicator) and remote (optical fiber);
Pneumatic cylinder feed: - with gas in the pipe:
Local control mode: control valves:
Remote control mode: 24 VDC;
Entry-output position signal 4 + 20mA;
Degree of mechanical protection IP 67:
Anti-explosion protection: Il 3G Ge;
Main handling: pneumatic;
Spare handling: Hydraulic actuation (with hand pump) when there is no pressure corresponding to the range for which the drive was built in the duct from which it is fed;
Safety handled: the possibility of locking the local access by means of a locking on the box
Functionability: without suddenly tapping the valve;
Protection: humidity penetration;
Communication: distance (optical fiber);
Utilities: Automatic cut-out at pipe breakage.
TESTS
Technical conditions according to API 6D and ANSI B 16.34;
Inspections and testing according API 598;
Fire safe test according to API 6F A and API 607;
Tightness test according to ISO 5208/97 class A or DIN 3230 class 1 or API 598;
Welding test according to API 1104;
Testing of cylinders and cylinders and tanks in accordance with the E.U. no. 97/23 / EC or equivalent;
Testing of the head after fitting on the valve.
DOCUMENTATION TO GUARANTEE THE PRODUCT (in Romanian)
Overall drawings take the scale (including tapping);
Technical book and manual for use and maintenance (both for tap and for actuation);
Material and Test Certificates;
Share parameters and workflow;
Electrical and interconnection schemes (for electric drives);
Accepted European and international equivalent manufacturing and / or manufacturing standards;
The technical characteristics of the products offered must be identifiable, by codes, in the catalogs or the manufacturer's technical specifications, presented in the original. These catalogs and technical specifications will be an integral part of the technical offer. At the request of the tenderer, the catalogs may be returned after the procurement procedure has been completed. At the request of the tenderer, the catalogs may be returned after the procurement procedure has been completed.
MARKING AND IDENTIFICATION
Manufacturer's name and symbol; Time / model, number / product series; Manufacturing year
2. TECHNICAL SPECIFICATION
BALL VALVES ANSI 300 MANUAL OVERGROUND MOUNTED
Ball Valves ANSI300 DN200 – 5 Pcs
Ball Valves ANSI300 DN150 – 2 Pcs
Ball Valves ANSI300 DN80 – 2 Pcs
TECHNICAL AND FUNCTIONAL PARAMETERS
Working Fluid: natural gas
Ambient temperature:-31*C, +36.5*C
Gas temperature: 20*C
Design pressure: ANSI300
Maximum Operating Pressure: 40bar
CONSTRUCTIVE PARAMETERS
- Installation: overground, horizontal
- Valve type: ball valve, “full bore” trunnion mounted
- connection: with flange according to ANSI B16.5
Body of the valve: carbon steel, split body
Rod material: alloy steel
Sphere material: carbon steel with metallic coating;
Material of the sealing seat: high resistance in the sealing area;
Material of o-rings: VITON
Sealing system: single sealing system (seat, spring ;o-ring)
Type of seals
First: metal/metal
Secondary: metal/viton
Tertiary: sealing paste between seat and valve body: viton sealing rings between stem and valve body
FEATURES:
a. Blow out proof stem;
b. Double block and bleed in closed position and open anti-static and antistatic device
Shaft seal replaceable under purge and ventilation pressure equipped with
spherical closure.
Corrosion protection: high resistance paint
DRIVING
Manual
Indication of the position of the valve (open/closed) 24Vcc
Degree of mechanical protection of the driveIP67;
Overhead, horizontal mounting on the valve;
Anticorrosive high-strength paint protection;
TESTS AND CERTIFICATIONS
General quality technical conditions according to API 6D and ANSI B16.34;
Inspections and tests according to API 598;
"Fire Safe" test according to API 6FA and API 607:
Watertight test according to ISO 5208/97 class A or DIN 3230 class 1 or API 598; . Welding test according to API 1104;
Action noise tests according to EN21680 (grade A) or equivalent:
Vibration test for action according to EN 60068 or equivalent; . Fuse according to 72/23 / EE completed with 93/68 / EEC according to EN
60204-1 1993 or equivalent; Running head test after fitting on the valve.
DOCUMENTATION TO BE PRESENTED AT THE OFFER
Manufacturer's Certificates according to: API 6D, API 6FA and API 607;
Certificate of product reliability, resulting from the tests;
The technical characteristics of the products must be identifiable, by codes, in the catalogs or the manufacturer's technical specifications, presented in the original. These catalogs and technical specifications will be an integral part of the technical offer. At the request of the bidder, the catalogs may be returned after the procurement procedure has been completed;
