SMC 2-Way Ball Valves 638 & 657 Series for Liquid or Air

These valves are available in multiple configurations to fit the exact end-use application. They are economical shut-off valves that offer superior quality and dependability to be used in ultra-pure water systems, photographic processing equipment, laboratory use, and more.

PVC, polypropylene, or nylon
Buna-N or FKM seals
Two-way flow, one-piece ball & stem
Fully ported, quarter-turn handle, with positive shut-off
Jaco nuts are polypropylene
0.437" diameter through hole in ball
Not for vacuum
Maximum pressure: 125 psi
Maximum temperature: 140°F
NSF 42 listed except 22680, 22681, 22684 & 22685

Item #	Description	Catalog Pg.	Price
Item 22134	1/4" FNPT x 1/4" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.71/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.71/Each In Stock
Item 22298	3/8" FNPT x 3/8" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.68/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.68/Each In Stock
Item 22678	1/2" FNPT x 1/2" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 6.8/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	6.8/Each In Stock
Item 22195	1/4" MNPT x 1/4" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.66/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.66/Each In Stock
Item 22196	3/8" MNPT x 3/8" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.68/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.68/Each In Stock
Item 22679	1/2" MNPT x 1/2" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 6.55/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	6.55/Each Out of Stock (On Order)
Item 22680	1/4" Hose Barb x 1/4" Hose Barb Series 638 Straight Polypropylene Ball Valve with FKM Seal 8.17/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	8.17/Each In Stock
Item 22681	3/8" Hose Barb x 3/8" Hose Barb Series 638 Straight Nylon Ball Valve with Buna-N Seal 7.14/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	7.14/Each In Stock
Item 22682	3/8" to 5/8" Tapered Barb x 1/4" MNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.93/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.93/Each Out of Stock (On Order)
Item 22683	3/8" to 5/8" Tapered Barb x 3/8" MNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.93/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.93/Each In Stock
Item 22267	1/4" FNPT x 3/8" to 5/8" Tapered Barb Series 638 Straight PVC Ball Valve with Buna-N Seal 5.93/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.93/Each In Stock
Item 22303	1/4" FNPT x 1/4" OD Tube J. Guest Series 638 Straight PVC Ball Valve with Buna-N Seal 7.76/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	7.76/Each In Stock
Item 22304	1/4" FNPT x 3/8" OD Tube J. Guest Series 638 Straight PVC Ball Valve with Buna-N Seal 7.63/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	7.63/Each Out of Stock (On Order)
Item 22192	1/4" OD Tube Jaco x 1/4" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.87/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.87/Each In Stock
Item 22193	3/8" OD Tube Jaco x 1/4" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 5.93/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	5.93/Each In Stock
Item 22194	3/8" OD Tube Jaco x 3/8" FNPT Series 638 Straight PVC Ball Valve with Buna-N Seal 6.14/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	6.14/Each In Stock
Item 22684	3/8" OD Push-To-Connect x 3/8" OD Push-To-Connect Series 638 Straight Polypropylene Ball Valve with FKM Seal 14.75/Each Out of Stock (On Order) Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	14.75/Each Out of Stock (On Order)
Item 22306	1/4" OD Tube J.Guest x 1/4" OD Tube J. Guest Series 638 Straight PVC Ball Valve with Buna-N Seal 9.87/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	9.87/Each In Stock
Item 22305	3/8" OD Tube J.Guest x 3/8" OD Tube J. Guest Series 638 Straight PVC Ball Valve with Buna-N Seal 10.18/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	10.18/Each In Stock
Item 22685	1/2" OD Tube John Guest x 1/2" OD Tube Comp. John Guest Series 638 Straight Polypropylene Ball Valve with FKM Seal 22.32/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	22.32/Each In Stock
Item 22205	1/4" FNPT x 1/4" FNPT Series 657 Right Angle PVC Ball Valve with Buna-N Seal 6.68/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	6.68/Each In Stock
Item 22206	1/4" FNPT x 1/4" MNPT Series 657 Right Angle PVC Ball Valve with Buna-N Seal 6.68/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	6.68/Each In Stock
Item 22207	1/4" FNPT x 3/8" MNPT Series 657 Right Angle PVC Ball Valve with Buna-N Seal 6.68/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	6.68/Each In Stock
Item 22268	1/4" FNPT x 3/8" to 5/8" Tapered Barb Series 657 Right Angle PVC Ball Valve with Buna-N Seal 7.16/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	7.16/Each In Stock
Item 22301	1/4" FNPT x 1/4" OD Tube J. Guest Series 657 Right Angle PVC Ball Valve with Buna-N Seal 8.39/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	8.39/Each In Stock
Item 22302	1/4" FNPT x 3/8" OD Tube J. Guest Series 657 Right Angle PVC Ball Valve with Buna-N Seal 8.86/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	8.86/Each In Stock
Item 22208	1/4" FNPT x 1/4" OD Tube Jaco Series 657 Right Angle PVC Ball Valve with Buna-N Seal 7.16/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	7.16/Each In Stock
Item 22209	1/4" FNPT x 3/8" OD Tube Jaco Series 657 Right Angle PVC Ball Valve with Buna-N Seal 7.16/Each In Stock Save 5% when you buy 12+ Save 10% when you buy 24+ Save 15% when you buy 72+	P-477	7.16/Each In Stock