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Series 3903
3-Piece Ball Valve
Features
• Full port
• 1000 WOG
• Blow-out proof stem
• Locking device
• ASME B16.11 socket
weld and threaded ends
• ASME B16.34
• Optional oval handle
Dimensions
Size A B C
1/4 2.28 2.20 3.98
3/8 2.28 2.20 3.98
1/2 2.48 2.54 4.84
3/4 2.87 2.66 4.84
1 3.35 3.11 5.98
1-1/4 3.78 3.29 5.98
1-1/2 4.49 3.62 7.17
2 5.28 3.90 7.17
2-1/2 7.09 5.35 9.68
3 7.87 5.75 9.68
4 8.98 6.67 9.68
Dimensions (Inches)
C
B
SHARPE - SERIES 3903 | 3-Piece Ball Valve
Toll Free (877) 774-2773 | Local (708) 562-9221 | Fax (708) 562-0890 | www.sharpevalves.com
A
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Parts & Materials
No. Part Name Qty Material
1 Body 1 Carbon Steel, ASTM A216 WCB
316 Stainless Steel, ASTM A351 CF8M
2 Thrust Washer 1 PTFE
3 Stem 1 316 Stainless Steel
4 Stem Seal 2 PTFE
5 Gland 1 304 Stainless Steel
6 Handle 1 304 Stainless Steel
7-1 Name Tag 1 PVC
7-2 Plain Washer 1 304 Stainless Steel
7-3 Handle Washer 1 304 Stainless Steel
8 Handle Nut 1 304 Stainless Steel
9 Seat 2 PTFE / RTFE
10 Ball 1 316 Stainless Steel
11 Body Seal 2 PTFE
12 End Cap 2 Carbon Steel, ASTM A216 WCB
316 Stainless Steel, ASTM A351 CF8M
13 Body Washer 4/12 304 Stainless Steel
14 Body Nuts 4/12 316 Stainless Steel
15 Body Bolts 4/6 304 Stainless Steel
Technical Information
Ordering
SHARPE - SERIES 3903 | 3-Piece Ball Valve
Toll Free (877) 774-2773 | Local (708) 562-9221 | Fax (708) 562-0890 | www.sharpevalves.com
Size Cv Weight
1/4 20 0.7
3/8 25 0.6
1/2 28 1.1
3/4 50 1.4
1 70 2.0
1-1/4 112 2.8
1-1/2 170 4.2
2 395 7.3
2-1/2 835 15.90
3 860 27.70
4 1780 43.10
Size Series Body & Ends Ends Options
1/4 1-1/2
3/8
1/2 2-1/2
3/4
1
1-1/4
3903 4 Carbon Steel TE Threaded OH Oval Handle
2 6 316 Stainless Steel SW Socket Weld
3
4
Maximum Pressure (psi)
1500
1250
1000
750
500
250
Pressure and Temperature Ratings
RTFE
0
0 50
150 200 250
300 350 400100 450 500
Maximum Temperature °F
Fig: 1/2 - 3903 - 6 - TE
Description: 1/2” - Series 3903 - 316 Body - Threaded
02/13
Due to connuous development of our product range, we reserve the right to change the dimensions and informaon for this product as required.
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