Twój grill Grille drewniane Grill na pellet
1 brass ball valve
2 brass ball valve
4 brass ball valve
ba450 ball valve
zawór kulowy spawany
kriogeniczny zawór kulowy
flange ball
os&y ball valve
trunnion ball
zawór kulowy z portem V
Size 1/2 inch (DN15)
Pressure Class Class 1500 LB (PN250 / 3600 PSI)
Body Material Forged Steel (ASTM A105 / A182 F304/F316 / A350 LF2) User specified
Manufacturing Process Close Die Forged Steel
Design Standard API 6D / EEMUA 182 / ASME B16.34
End Connection Standard RTJ Flanged: ASME B16.5 / Female NPT: ASME B1.20.1
Face to Face Standard Manufacturer’s Standard
Test & Inspection Std. API 598 / EEMUA 182
Fire-Safe Design API 607 / API 6FA (Optional)



TECHNICAL DATA SHEET
Product Name: 1/2-inch 1500LB DBB Floating Ball Valve
Model/Specification: 1/2″-1500LB-DBB-FLOAT-RTJxNPT
Typ zaworu: Double Block & Bleed (DBB) Floating Ball Valve
Connection Type: RTJ Flanged (Inlet) x Female NPT (Outlet)
|
Parametr |
Standard/Specification |
|
Rozmiar |
1/2 inch (DN15) |
|
Pressure Class |
Class 1500 LB (PN250 / 3600 PSI) |
|
Materiał korpusu |
Forged Steel (ASTM A105 / A182 F304/F316 / A350 LF2) User specified |
|
Manufacturing Process |
Close Die Forged Steel |
|
Design Standard |
API 6D / EEMUA 182 / ASME B16.34 |
|
End Connection Standard |
RTJ Flanged: ASME B16.5 / Female NPT: ASME B1.20.1 |
|
Face to Face Standard |
Manufacturer’s Standard |
|
Test & Inspection Std. |
API 598 / EEMUA 182 |
|
Fire-Safe Design |
API 607 / API 6FA (Optional) |
|
Parametr |
Details |
|
Typ zaworu |
Double Block & Bleed (DBB) Floating Ball Valve |
|
Body Type |
One-Piece Forged Body with Side Entry |
|
DBB Configuration |
Two obturators (ball valves) within a single body with bleed/vent system between them |
|
Typ otworu |
Full Bore / Reduced Bore (Optional) |
|
Ball Type |
Floating Ball (pressure-assisted sealing) |
|
Seat Type |
Soft Seat (PTFE / RPTFE / PEEK) / Metal Seat (Optional) |
|
Applicable Media |
Water, Oil, Gas, Hydrocarbons, Sour Service (NACE) |
|
Temperature Range |
-46°C to +350°C (depending on seat material) |
|
Bleed Port |
Needle valve or ball valve between seats for cavity venting |
|
Działanie |
Lever Handle (Standard) / Gearbox / Actuator |
|
Urządzenie antystatyczne |
API 6D / API 608 Requirement (Standard) |
|
Blow-Out Proof Stem |
Standard |
|
Cavity Pressure Relief |
Self-relieving seat design (standard) |
|
Feature |
Description |
|
Double Isolation |
Two independent sealing mechanisms provide isolation from both upstream and downstream pressure |
|
Bleed Capability |
Central cavity can be vented to verify seal integrity or relieve pressure |
|
Safety Application |
Allows safe maintenance downstream without system shutdown |
|
Space Saving |
Replaces multiple valves with a single compact unit |
|
Double Block & Bleed (DBB) |
Both seats seal from the same direction (upstream/downstream) with cavity vent capability |
|
Part Name |
Material |
Standard/Grade |
|
Ciało |
Stainless Steel |
ASTM A182 F304 / F316 |
|
End Connector (RTJ) |
Stainless Steel |
ASTM A182 F304 / F316 |
|
End Connector (NPT-F) |
Stainless Steel |
ASTM A182 F304 / F316 |
|
Piłka |
Stainless Steel (Hardened) |
ASTM A182 F304 / F316 (Chrome plated optional) |
|
Trzon |
Stainless Steel |
ASTM A182 F304 / F316 / 17-4PH |
|
Seat Rings |
Reinforced PTFE / RPTFE / PEEK |
PTFE + 15% Glass Fiber |
|
Body Seals |
Spiral Wound / Graphite |
Stainless Steel + Graphite |
|
Stem Seals / Packing |
PTFE / RPTFE / Graphite |
Low emission, fire-safe grade |
|
Thrust Bearings |
PTFE + Stainless Steel |
Self-lubricating |
|
Urządzenie antystatyczne |
Stainless Steel Ball + Spring |
316 SS |
|
Bleed Valve |
Stainless Steel Needle Valve |
For cavity venting |
|
Handle / Lever |
Stainless Steel |
With locking device |
*For Carbon Steel version (A105/LF2): body/ends to A105/A350 LF2, ball/stem to 13Cr/304.*
*Note: Dimensions for 1/2″ Class 1500 DBB Floating Ball Valve with RTJ Flanged x NPT-F Ends. Based on industry standards for small bore DBB valves .*
5.1 Overall Dimensions (Approximate)
|
Rozmiar |
Pressure Class |
L (mm) |
L (in) |
H (mm) |
H (in) |
W (Handle mm) |
Weight (kg) |
Weight (lbs) |
|
1/2″ |
1500LB |
~150-180 |
~5.9-7.1 |
~80-100 |
~3.1-3.9 |
~140 |
~3-5 |
~6.6-11 |
Note: DBB design adds length compared to standard ball valves. Consult manufacturer for certified drawings.
5.2 RTJ Flanged End Details (Per ASME B16.5 – Class 1500)
|
Parametr |
1/2″ RTJ Flange |
|
Flange Diameter (OD) |
95 mm (3.74 in) |
|
Bolt Circle Diameter (PCD) |
66.5 mm (2.62 in) |
|
Number of Bolt Holes |
4 |
|
Bolt Hole Diameter |
16 mm (0.62 in) |
|
Bolt Thread Size |
1/2″ UNC |
|
RTJ Groove Number |
R-11 or RX-25 (per ASME B16.20) |
|
Hub Diameter |
38.1 mm (1.50 in) |
5.3 Female NPT End Details (Per ASME B1.20.1)
|
Parametr |
1/2″ NPT-F |
|
Thread Size |
1/2″ NPT Female |
|
Thread Type |
Tapered Pipe Thread |
|
Thread Length (Min) |
13.5 mm (0.53 in) |
|
Depth |
Standard NPT thread depth |
*Material Group: Stainless Steel (A182 F304/F316) with Soft Seats*
|
Temperature (°C) |
Working Pressure (bar) |
Working Pressure (psi) |
Notatki |
|
-46 to -29 |
250 |
3625 |
Low temp range (LF2 body) |
|
-29 to 38 |
250 |
3625 |
Maximum Rating (Class 1500) |
|
50 |
248 |
3600 |
|
|
100 |
235 |
3400 |
|
|
150 |
220 |
3190 |
Max for standard PTFE seats |
|
200 |
205 |
2970 |
With RPTFE / PEEK seats |
|
250 |
190 |
2755 |
With PEEK seats |
|
300 |
175 |
2538 |
With PEEK seats |
|
350 |
160 |
2320 |
With Graphite/ Metal seats |
*For Carbon Steel (A105/LF2): similar ratings up to 425°C with derating .*
|
Test Type |
Medium |
Pressure (bar) |
Pressure (psi) |
Acceptance Criteria |
|
Shell Test (Hydrostatic) |
Water |
375 |
5440 |
1.5 x 38°C Rating (no visible leakage) |
|
High-Pressure Seat Test |
Water |
275 |
3990 |
1.1 x 38°C Rating (Zero leakage – soft seats) |
|
Low-Pressure Seat Test |
Air / N2 |
5.5 – 7.0 |
80 – 100 |
Bubble-tight |
|
DBB Cavity Test |
Air / N2 |
5.5 |
80 |
Vent valve integrity check |
|
Bleed Valve Test |
Air / N2 |
5.5 |
80 |
Function test |
|
Parametr |
Value |
|
Port Diameter (Full Bore) |
~12-15 mm (0.47-0.59 in) (typical) |
|
Flow Coefficient Cv (approx) |
~5 – 8 (typical for 1/2″ full bore ball valve) |
|
Flow Characteristic |
Quick Opening (On-Off) |
|
Shut-off Class |
API 598 / ISO 5208 Rate A (Zero Leakage) |
text
[RTJ FLANGED] =====[ BALL VALVE 1 ]=====[ BLEED ]=====[ BALL VALVE 2 ]=====[ NPT-F ]
(Inlet) (Upstream Block) (Vent) (Downstream Block) (Outlet)
Please specify when ordering:
*Disclaimer: The above data is prepared based on common industry standards (API 6D, ASME B16.34, EEMUA 182, API 598) for DBB floating ball valves with mixed RTJ x NPT ends . The DBB design provides critical double isolation and bleed functionality for high-pressure and hazardous service applications. Specific dimensions, materials, and pressure ratings may vary by manufacturer. The final technical agreement and certified drawings shall prevail.*
GWARANCJA:
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