Ball Valve Double Block & Bleed (1034 bar) 6DB Series(L8) 6DB 10 (10,000 psi) HT M4
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SKU : 6DB10L8M4HT
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Ball Valve Double Block & Bleed (1034 bar) 6DB Series
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A - Valve Series : 6DB
B - Pressure (x 1000 psi) : 10 (10,000 psi)
C - Tube Connection : (L8)
D - Vent Connection : M4
E - Options (suffix addition) : HT
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Ball Valve Double Block & Bleed (1034 bar) 6DB Series)

Parker Autoclave Engineers Double Block & Bleed valve is a two-stem ball valve with needle style vent valve providing economical and reliable isolation in critical areas superior in comparison to a standard, single valve. This valve is designed for use where critical isolation is needed to ensure that leakage does not occur. Our 3/8" and 5/8" Double Block & Bleed valves are designed to save space and weight while capable of pressures to 15,000 psi (1034 bar). These ball valves can also be modified to incorporate the use of special materials, optional seals with and capability for high-temperature applications to 500°F (260°C).

 Ordering Information

A - Valve Series
6DB: 3/8" Double Block and Bleed Ball Valve

B - Pressure (x 1000 psi)
10: 10,000 psi
15: 15,000 psi

    C : Tube Connection
   Connection  MAWP @ RT Seat Gland Hex 
L8  SW500 (1/2" LP)  10,000 psi  1.38"
 M6  SF375CX20 (3/8" MP) 15,000 psi   1.38"
 M9 SF562CX20 (9/16" MP)  15,000 psi  1.38"
 M12 SF750CX20 (3/4" MP)   15,000 psi  1.38"
 P4 1/4" NPT   15,000 psi  1.38"
 P6 3/8" NPT   15,000 psi  1.38"
P8 1/2" NPT 15,000 psi 1.38"
Q9 QS562 (9/16" QSS) 15,000 psi 1.38"
Q12 QS750 (3/4" QSS) 15,000 psi 1.50"

 

D - Vent Connection
M4: 1/4" MP - SF250CX20 connection
P4: 1/4" NPT
Q4: 1/4" QS250 Connection

E - Options
HT: O-ring, Perfluoroelastomer, - FFKM 30° to 500ºF (260ºC)
EPR: O-ring, EthylenePropylene Rubber, 0° to 250°F (121°C)
SOG*: NACE Material, Hardness Verification/Certificate
2507**: UNS 32750 2507 Super Duplex Stainless Steel
IN625**: UNS N06625 Inconel 625 Materials
K: Antivibration Gland Fitting (Cone and Thread Connections only)
L: Lock-out Bracket, Stainless Steel

Notes: 316 SS Valve bodies are cold worked and not suitable for use in NACE/ISO 15156
applications. If required, contact factory for options.
* SOG suffix also changes CW 316 SS body material to Annealed 316 SS suitable for
NACE service. Contact factory for pressure reduction.
** Special materials often have reduced MAWP ratings, see Technical brochure for
assistance

For more details see tha full PDF table here

Valve Feature

 Connection
Type
MAWP** at
Room temperature
 Minimum Orifice
Inches (mm)
Rated
Cv*
SW500 (1/2" LP) 10,000 psi (690 bar) 0.323 (8.20) 2.3
SF375CX20 (3/8" MP) 15,000 psi (1034 bar) 0.203 (5.16) 1.0
SF562CX20 (9/16" MP) 15,000 psi (1034 bar) 0.312 (7.92) 2.1
SF750CX20 (3/4" MP) 10,000 psi (690 bar) 0.323 (8.20) 2.3
1/4 FNPT 10,000 psi (690 bar) 0.323 (8.20) 2.3
3/8 FNPT 15,000 psi (1034 bar) 0.323 (8.20) 2.3
1/2 FNPT 15,000 psi (1034 bar) 0.323 (8.20) 2.3
QS562 (9/16" QSS) 15,000 psi (1034 bar) 0.323 (8.20) 2.3
QS750 (3/4" QSS) 15,000 psi (1034 bar) 0.323 (8.20) 2.3

 ** Special materials often have reduced MAWP ratings, see Technical brochure or contact to us.

For additional information such as mounted type or special material, please do you not hesitate to contact us by filling the form below

Double Block & Bleed Ball Valve Features

  • One-piece, trunnion mounted style, stem design eliminates shear failure and reduces the effects of side loading found in two piece designs
  • Re-torqueable seat glands for longer seat life
  • Carbon filled PEEK seats offer excellent resistance to chemicals, heat, and wear/abrasion
  • Vee-Stem Needle Vent Valve with PTFE Packing
  • Full-port flow path minimizes pressure drop
  • Manufactured using UNS S31600 316 cold worked Stainless Steel
  • Low friction pressure assisted graphite filled PTFE stem seal increases cycle life and reduces operating torque
  • FKM o-rings for operation from 0° to 400°F (-18 to 204°C)

 

Basic Repair Kits

6DB Double Block & Bleed Valves are not repairable in field and must be returned to authorized repair center or factory location.

 


 

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